How to cut an inner corner on a miter box

The first joint in the room

The first plinth should be cut as close to the edge as possible. Carpenters have their own jargon and they say “cut” the corner. It does not matter what you call it, it is important that in the miter box we set the bar so as to make a cut at the very beginning. For the cutting line, we push the bar a short distance, for a start, you can 1-2 cm. Cutting a smaller piece is more difficult, so save the savings “for later” when at least some skill appears.

In the miter box, place the plinth at the far wall “facing” you. This makes it easier to check if you are cutting / sawing correctly.

Then you need to make a corner on the plinth like this:

  • We put the plinth in the miter box, press it against the wall opposite to us. We expose it in the mounting position. how it will stand against the wall.
  • Insert the hacksaw into the desired slots (see the picture below).
  • Move the bar so that it goes slightly beyond the cut line.
  • Cut off.
  • We take the second piece of plinth, repeat the same operations, but change the position of the saw on the miter box to the opposite. We insert the bar on the other side. Be careful here, otherwise you will have to redo it several times, since the connection will not work.

How to properly cut a floor plinth in a miter box: for external and internal joint

We got two pieces cut for joining in the inner corner. To make the joint perfect, we try on the details in place. Most likely there are some flaws. We take sandpaper with medium grain, remove everything that interferes with docking. Then, with small grain, we achieve a tight joint without cracks and gaps.

When joining the skirting boards in the corner, use a transparent silicone sealant. Before installing the fasteners, a layer of silicone is applied to the cut. Immediately after the plinth is fixed, we remove the excess that appeared on the outside. We clean up to an absolutely clean surface. This way of connecting the skirting boards in the corners looks more neat, dirt and dust does not clog into it.

Decorative corners for ceiling plinths

Cropping wide options is much more inconvenient. The product is difficult to fit into such a compact tool as a miter box, and complex relief can be spoiled.

For such models, special corners are produced. You can find this option only for PVC, foam or polyurethane products. The elements have the same design, their dimensions are easy to adjust, since a material as light as foam is easy to cut.

The technology is very simple: the corner is fixed in the joint, and fragments of the ceiling plinth are attached to it.

Trim the inner corner of the product

First you need to attach the piece to the ceiling. This is done to measure the desired fillet length. After taking all measurements, you can install the skirting board in a previously prepared miter box. Try to install it so that the fillet location is exactly the same as on the ceiling. Hold the skirting board with your left hand and make sure that the fillet rests firmly against the farther side of the tool. The part that is intended to be attached to the ceiling should be on top, and the bottom should be firmly pressed against the bottom of the miter box.

The hacksaw blade should be turned at 45 degrees. Check if this is the case and start cropping. In this case, the hacksaw should be as close to the left hand as possible. Do not press hard on the tool when cutting.

After the part is cut off, proceed with the processing of the adjacent skirting board. It must be cut in the same way as the previous one, only on the contrary, in a “mirror image”.

Attention! When working with fillets made of PVC or expanded polystyrene, start work from the front of the product. Then the final result will be more accurate and aesthetic.

How to dock in corners

If the installation of the first corner is completed, we can assume that you have already learned almost everything. “Almost”, because you still need to learn how to join the corners and cut the planks to length. When some part is already glued and there is a small distance to the corner, how not to be mistaken with the length? The answer is simple: leave stock.

At first, you can cut a piece 10-15 cm longer: it will be possible to redo it several times if something does not work out right away. Then you make a corner in the way described above, try it on dry, adjust everything so that the result suits you. Only then can you attach the already cut strip to the corner and mark the place to which it can be shortened. You need to trim at exactly 90 °. It is not necessary to use a miter box. Just try to put the knife (hacksaw) perpendicular to the surface.


With enough experience, neither a miter box nor a marking is needed. In this case, the master simply applies the skirting boards to the wall, estimates the size of the corner, and makes a cut by eye. But this method is permissible only with a very large experience, when the finisher has a correct eye and a very accurate hand. If this is not the case, this method is highly discouraged: you can spoil two parts of the plinth at once without achieving a proper fit.

This video will show you how to cut corners on skirting boards.

Hand Right IMPORTANT: Eye fit is more suitable for plastic and foam elements than wood. They are easy to cut with a knife right in place. and with a strong hand and a correct eye, everything will sit perfectly. The tree must be sawed. and the cost of a mistake is extremely high.

How to make a corner of a ceiling plinth without a miter box

Few people in apartments or houses have angles exactly 90 °. Small deviations are easily corrected after fitting. But not always. Then you have to mark everything “in place”. under the ceiling.

You will need a finely contoured pencil (hard. it is not so visible on the ceiling, but leaves quite clear marks near), a small piece of plinth, a ruler and a good stationery knife if you work with polyurethane (polystyrene) baguettes or a metal saw to work with other materials.

Apply the plinth to the corner, draw along the outer edge with a pencil. Apply to the other side of the corner, also mark. You have a cross on the ceiling, the center of which marks the place where the plinths of the ceiling plinth should converge (look at the photo). Having installed a piece of plinth in the corner, which will be glued there and resting it with its end on the wall, transfer the mark to it.

Now take a ruler and connect the edge of the skirting board with the marked mark. If you just put the plinth on the table and cut along the mowing line, the two parts in the corner will still not fold: the inner part will interfere. It can be trimmed later by trying on the ceiling. The second way is to set the piece to be cut on the table with the piece that will be on the ceiling. And cut along the mowing line, but keeping the knife at an angle of about 45 °. It will still be necessary to correct, but much less (and less chance of error).

Repeat the same operation with the second bar. Put it against the desired wall, rest the butt against the adjoining wall, mark the place where the cross is drawn, draw the line and then cut it off. Correction Carried out “dry” without applying glue.

You repeat exactly the same steps for the outer (protruding) corner. Now you know another way to make a corner of a ceiling plinth, and without a scissor or other special devices.

You can read how to install sliding interior doors here.

Using a miter box

If the corners and walls in the room are even, you can use a special carpentry tool. a miter box. This is an inverted U-shaped chute in which the mowing line is marked for cutting at 90 ° and 45 °. The part in which you need to make a gash is laid inside, a saw is inserted into the guides. The part is held in place, cut at the desired angle.

Cutting Crown Molding using a Miter Box

In the case of skirting boards, not everything is so simple: they must simultaneously adjoin two surfaces, therefore they must be pressed against one or the other wall of the miter box. When working with ceilings, they are pressed in the side closest to you.

The sequence of actions when finishing the outer corner, you need to make a gash at an angle of 45 degrees. Place the miter box in front of you. Trying on how the plinth will be located, determining which part of it will be attached to the ceiling. In order not to get confused and cut off the ceiling plinth correctly, put the strip that will be located on the right on the right, the one on the left on the left.

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Press the part that is on the ceiling to the bottom of the miter box. The other side is closer to you and raised. Lean it on the wall of the device so that it does not stagger when cutting. That is, the front part of the skirting board turns out to be turned away from you. Do the cutting direction as shown in the photo below. By folding the two cut pieces together, you get a protruding outer or outer corner.

First put the sawn-off parts in place “dry”, without applying glue. If the geometry of the corner is not so perfect, you can tweak it a little with a knife. It is easier to cover small errors with a special putty.

The situation is very similar with the inner corner of the skirting board. First you try on which side will be on the ceiling, press this part to the bottom of the miter box, lean the second part on the wall closest to you and make cuts as shown in the photo below.

And again, first try on without applying glue, if necessary, slightly adjust. Then apply a thin bead of glue to both surfaces that will adhere to the wall or ceiling.

Your own version of how to use the miter box correctly is shown in the video.

Making an external joint

In apartments or houses, there are not only internal corners, but also external ones. In this case, the nearest inner corner is first trimmed and modified. When it’s ready, you can make an outside corner on the baseboard. We put the bar in the corner, as it should be. In the place of the outer corner with a pencil, we make a mark exactly at the place of rotation.

How to make the outer corner of the skirting board

Then we transfer the bar to the miter box, choose the appropriate position. In order not to be mistaken, all the time imagine how the plinth is against the wall and what you should get.

We cut the second segment at 45 degrees so that it joins the finished one. To do this, we change the position of the saw to the opposite and start the plinth on the other side.

How to trim the skirting board inner corner

How to cut the corner of a skirting board evenly

When we evaluate a new renovation, we involuntarily turn our gaze, first of all, at the ceiling. No matter how mind-blowing the interior would be, its score from the curves of the finishing joints will drop sharply. In this article, we will tell you the instructions about the ceiling plinth. how to make the joint angle perfectly even.

Having completed the decoration of the walls and ceiling, ugly transitions between them will involuntarily remain. For this, fillets are used at the place of transition of two materials. When installing them, it is important to maintain the evenness and accuracy of the joints.
Related article: how to properly glue the ceiling plinth with glue and putty.

The first way is with a miter box

Professional miter box with a rotary hacksaw For a long time already carpenters have come up with such a special box with slots. a miter box. It is easy to recognize it, among the variety of repair equipment, by its characteristic appearance. This is the most convenient and irreplaceable device in solving the problem that has arisen, how to cut the corners of the ceiling plinth.

The miter box usually looks like a tray with vertical holes for a hacksaw. It can be made of wood, metal or plastic. This tool represents the oldest and simplest carpenter’s tool for cutting wood pieces at 90 and 45 degrees. There are types of such a device for professional work, with a rotary mechanism, in which the cutting tool can be rotated and fixed in any position.

How to cut a ceiling plinth correctly
Ceiling corners can be divided into internal and external corners, the method of joining on them is slightly different.

If necessary, you can make a miter box with your own hands. To do this, you can use 3 scraps from plywood or boards of the same size. First, for this you need to attach them in the form of an inverted letter “P”, and make a marking of the corners. Then, according to the marking, slots are cut out for a hacksaw almost to the very bottom, and the boards are twisted.

  • Making the right measurements.
  • After that, we install the plinth strip in the miter box so that this position exactly coincides with the placement on the ceiling.
  • The plinth should be firmly pressed against the opposite wall of the miter box. Hold and press with your left hand.
  • We put a hacksaw at an angle of 45 degrees in a special hole and cut off the part.
  • The adjacent part must be cut in the same way, only in a mirror image, as shown in the photo.
  • When cutting soft materials (PVC, Styrofoam), use a metal hacksaw or a regular utility knife. Then your work will be neat and with smooth edges. For an accurate cut, you need to start cutting it from the front.

    • Measure the length of the skirting board from the nearest wall to the outer corner, leave the line on the wrong side with a pencil, indicating the desired length. Keep in mind that the edge (its upper part) should protrude slightly outward.
    • Move the skirting board to the miter box and cut it.
    • The adjacent bar also needs to be measured with a margin, and cut off in a mirror image to the first part.

    Trying on the ceiling plinth. the joining of the parts should be perfectly flat. If the result is not achieved, and there are protrusions at the joints, you can trim the edges with an ordinary knife until a perfect fit.

    Checking the smooth docking
    In the video in this article, all the nuances are well described:

    Method two. no additional tools

    For the inner corner, you can use the simplest way of perfect joining. by marking on the ceiling. Another example of how to cut a corner nice and even.

  • Attach the fillet to the ceiling, firmly pressing its flat edge into a corner.
  • Draw a line along the long side of the plinth on the ceiling.
  • Do the same with the adjacent part on the other side.

    Mark the point of intersection of the lines.

    The end result is an even 45 degree angle when you draw the line from the point of intersection to the edge of the part. This method of how to cut a skirting board is available to everyone, without the presence of special tools.

    With a good eye and accuracy of hand action, you can use a homemade template that resembles an imitation of a miter box. To do this, take a thin board or thick plywood, and draw the layout in the form of a horizontal rectangle. Use a protractor to mark 45 degrees on the right and left sides of the rectangle. Draw mowing lines connecting opposite edges.

    Now you can solve the problem of how to cut the ceiling plinth using this layout. The actions are simple and similar to the description above in the first option. Only the ceiling parts should not be inserted, but placed on the drawing and the hacksaw should be combined with the layout of the layout.

    Description of methods for gluing ceiling skirting boards (cornices) to the ceiling. Method of gluing with glue, putty and sealant. How to make even corners on the ceiling.

    How to cut ceiling plinth and floor

    The most difficult part when installing ceiling and floor skirting boards is the corner design. It is necessary to dock the planks in such places very carefully, otherwise the appearance of the decor will be hopelessly spoiled. Of course, you can use quite aesthetic special corner pieces.

    However, naturally docked planks usually look more harmonious. And in this case, you will not have to spend money on additional parts. Therefore, later in the article, we will consider how to cut the corner of the ceiling plinth correctly and how to process the seam.

    Trim ceiling plinth

    Ceiling skirting boards are made from a wide variety of materials. foam, polyurethane foam. plastic, wood. To trim them, the tools available in every home can be used. Styrofoam strips are cut with scissors or a knife. The wooden plinth is cut with a hacksaw for wood. How to cut a plastic skirting board is also not a question. You can saw it with an ordinary hacksaw for metal.

    Cutting a wooden skirting board is done with a regular hacksaw

    What is miter box?

    Cutting planks at an angle of 45g is done in a miter box

    Cutting the skirting board in the miter box

    Trimming in a miter box is done as follows:

  • The right strip fits into the tray from left to right with the wrong side to the bottom (with the part that will subsequently adjoin the ceiling). The part of the abutment to the wall should be leaning against the side board of the tray (closest to you);
  • The bar is pressed tightly against the tool and is cut through the slot.
  • How to make a corner of a ceiling plinth

    Important: When trimming, remember that when decorating the inner corner, the edge of the skirting board adjacent to the wall should be longer than the edge adjacent to the ceiling. When decorating the outside. on the contrary.

  • A second ceiling strip is inserted into the tray from right to left and cut off;
  • The finished planks are attached to the corner and the joint is adjusted with a knife;
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    Planks are attached to the corner and an adjustment is made

    How to join the corners of the skirting board? You can do this from a stepladder right on the wall. But this is not very convenient, therefore, experts advise to combine and glue polyurethane and foam elements with each other on the floor with special glue for joints.

    The corner is best glued before installing the skirting board on the walls.

    How to cut a skirting board:

    What to do if there is no miter box?

    Thus, we figured out how to cut down the ceiling plinth (the video above may help someone figure it out better) using a miter box. But what if this tool is not at hand? In fact, you can adjust the slats exactly without using it. There are two main ways to solve this problem: marking directly on the wall and making an imitation of a miter box.

    In the first case, the procedure is as follows:

  • The left strip is tightly pressed against the ceiling;
  • With a pencil, a fishing line 1 is drawn directly on the ceiling along its upper edge;
  • inner, corner, miter

    How to properly cut a ceiling plinth without a miter box. Making the first line

  • Next, the right ceiling element is attached to the ceiling and a fishing line 2 is drawn;
  • A mark is placed at the intersection of the edge of the right plank with line 1;
  • The second line is drawn and a mark is put on the plinth

  • Next, the left element is again attached to the ceiling;
  • A mark is also placed at the intersection of its upper edge with line 2;
  • Now on each strip you need to connect the marks with the end of the lower edge of the plinth;
  • Then, according to the resulting mowing line, the actual cutting of the plinth at an angle is performed.

    Without the use of a tray, mounting the planks in the corner can be quite neat

    In order to cut an even corner, you can also use an imitation of a miter box:

  • Draw two strictly parallel mowing lines on a smooth plywood sheet;
  • We put a point on one of them and, using a protractor, connect it to the second line at an angle of exactly 45g (draw to the left);
  • At a distance of 10 centimeters to the left of the first point, we put the second;
  • We connect it with the second line at an angle of 45g (we draw to the right).
  • How to cut the corner of a ceiling plinth using an imitation miter box

    The impromptu miter box is ready. Now it remains to attach the right ceiling element (wrong side) with the lower edge on the right to the mowing line closest to you and cut it off. The same with the left bar (only you need to apply it on the left).

    Tip: You can cut the polystyrene strips with a knife. However, sharpen it properly. Otherwise, the material at the ends will simply crumble.

    How to cut a skirting board without a miter box:

    How to connect the planks if the corner is uneven

    In city apartments, and especially in old ones, the walls are rarely even. Therefore, the angles between them are often not right at all. How to properly saw down the ceiling plinth in this case?

    In fact, it is not as difficult as it might seem at first glance. You just need to measure the angle. To do this, you can use a special tool malku, or just make a template out of paper and use a protractor.

    An uneven angle can be measured using a small goniometer.

    Divide the resulting angle by two, draw the corresponding “miter box” on the plywood and cut the strips. Next, you just need to connect them with glue.

    How to finish finishing the corners

    We have figured out how to cut the corner of the ceiling plinth. Now let’s see how to finish the joints. How to cover the joint in the corner? In the event that a small gap remains here, the filling can be done with ordinary putty to match the color of the skirting board. Joints can also be sealed with silicone sealant.

    The gap between the planks in the inner corner can be filled with putty

    Important: Only the inner corner can be sealed with putty or sealant. The outer should be fitted as closely as possible. It will be simply impossible to remove even a small gap in the future imperceptibly here. Especially when the skirting board is wide.

    Corner pieces for ceiling plinths

    Cutting ceiling strips when using corner elements (special connectors) is also usually done in a miter box. How to cut the planks in this case? It’s very simple. the cut is done at right angles. If there is no tray, you can use a regular protractor or square. Corner elements (photo):

    When using corner elements, the strips are cut at right angles.

    How to properly trim a floor plinth

    Floor skirting boards can be made of PVC. polyurethane. wood or MDF. Just as in the case of the ceiling plinth, they need to be cut, depending on the material, with an ordinary hacksaw (wooden) or a hacksaw for metal (plastic).

    Now you know how to saw down the ceiling plinth. Next, let’s see how the floor trimming and trimming is done. How to use the miter box in this case? When trimming the floor plinth, the procedure is approximately the same as when trimming the ceiling. For the inner corner:

    We take the first strip and put it in the tray from right to left so that it lies in it just like on the floor. We lean it against the far wall of the instrument as against a wall;

    The strip is inserted into the tray and pressed firmly

  • We trim the unnecessary piece from the left end at an angle through hole 1 (picture below);
  • Insert the second strip from left to right in exactly the same position and cut from the right end through hole 2.
  • How to trim a skirting board in a corner if it is external:

  • Insert the first strip into the tray in the same way as for the inner corner (from right to left);
  • We cut it from the left end through hole 2;
  • Insert the second plank from left to right and cut its right end through slot 1.
  • How to cut a ceiling plinth for outside and inside corners

    Next, we mount the planks in the corner of the room.

    Tip: The end at an angle of 45g should be done not only in order to cut the elements in the corners, but also for making joints on the wall itself. In this case, the connections will not be as noticeable.

    Thus, we have examined in the most detailed way how to cut a plinth in the corners. This procedure is not as complicated as it might seem at first glance. When you start trimming in a miter box or by imitating it, you will see for yourself.

    How to cut a ceiling plinth correctly

    This is how the correctly cut corners of the ceiling plinth look

    You can make such an ideal ceiling plinth with your own hands if you follow these instructions.

    For the manufacture of ceiling cornices, three materials are mainly used, these are:

    They also make stucco ceiling cornices, but this is a different topic.

    • The weakest and cheapest of them is polystyrene, although strength on the ceiling is not very required.
    • Expanded polystyrene is much denser than it can be easily cut with a knife and, of course, it is more expensive.
    • Wood is the most difficult to handle. In order for the corners of wooden skirting boards to be perfect, you must use an exclusively fine-toothed hacksaw, and even better a hacksaw for metal and a sandpaper. Only in this case can you achieve an even angle.

    Cutting the ceiling plinth with your own hands

    We will analyze in stages how to correctly cut the corners of the plinth (also called fillet).
    In the vast majority of modern apartments, the corners of rooms and other rooms are 90 °. Cut the ceiling plinth at an angle of 45 ° or 90 °.
    How to cut a ceiling plinth? For this, a special tool is used, which is called a miter box.
    This tool already has 45 ° and 90 ° slots. A seemingly simple task to cut the skirting board.
    But the fact is that it is glued to the ceiling at an angle of 38 ° to 45 °, which means that the cut corners will not join, leaving gaps. To prevent this from happening, they use a miter box.

    It looks like a miter box

    Cutting the inner corners with a miter box

    To do this, you need the following tools:

    • The fillet is laid on the bottom of the miter box with the side that will be glued to the ceiling, and the bottom side is pressed against the wall of the miter box, to its right slot.
    • Fillet trimming is done with a hacksaw or a sharp knife. It should be trimmed carefully, without excessive force, so as not to deform the ceiling cornice and to avoid chipping.
    • In this way, we cut off the adjacent corner of the plinth, but with the help of the left slot on the miter box.
    • Then these parts are applied to the corner to check if there is a gap, then you can cut with a knife.

    Tip: In order not to translate the material in vain and acquire skills, practice first on small pieces.

    How to properly lay the fillet in the miter box

    Trimming adjacent fillets

    Cut off the outer corners with a miter box

    • Place the skirting board against the corner and mark with a pencil where the outer corner begins on the skirting board.
    • Then the skirting board is placed in the miter box. The side that will be attached to the ceiling is laid on the bottom of the miter box, and press the other side against the wall.
      The mark on the skirting board should be near the slot on the left. Cut off one edge.
    • Then, in the same way, we cut off the other half of the corner. Only the mark on the skirting board should be located near the right slot.
    inner, corner, miter

    See also  How to cut an outside corner on a skirting board

    We apply both halves to the corner and check if there is a gap. If everything is in order, then you can glue the skirting board in place.

    How to cut a skirting board without a miter box
    Cut the skirting board for the inner corner

    If you do not have a miter box, then you can do without it:

    • To do this, we apply the plinth to the ceiling as it should stand, and draw a line along the ceiling.
    • Then we apply the plinth to the ceiling to the right of the corner and draw the second line.
    • In the place where the mowing lines intersect, make a mark on the plinth and draw the line from the mark to the bottom corner of the plinth. This line will be the trim line of the skirting board.

    Marking for trimming the left corner of the skirting board

    We do the same with the left corner. Cut strictly along the lines with a sharp knife.
    Then we apply it to the corner and check if there is a gap. If there is a gap, then carefully cut the corners.
    Then the skirting board can be glued in place.

    Advice. Do not use too much force when trimming the skirting board. It may wrinkle and after you stick it in place after the glue dries, deform.

    Marking for cutting the right corner of the skirting board without miter box

    Trim the right corner of the skirting board

    Cut the skirting board for the outer corner

    Without a miter box, you can easily cut the fillet for the outer corner:

    • To do this, apply the ceiling fillet as it should be to the right of the corner. Draw the line with a pencil across the ceiling beyond the corner.
    • Then we apply a fillet to the left of the corner and draw the line along the ceiling until it intersects with the first line.
    • On the fillet we make marks at the intersection of the lines and at the place where the corner of the room is.
    • We connect the marks with a line on the fillet and cut it off with a sharp knife. The cut should go inside the fillet.
    • We check the joint along the corner, cut it if necessary and glue the fillet in place.

    Outside corner marking

    it should be noted that for 1 running meter. Count the number of meters in your apartment, multiply by 100. This will be the amount that you will save if you do this work yourself.

    How to cut the ceiling plinth correctly This is how the correctly cut corners of the ceiling plinth look like This is such an ideal.

    How to cut the ceiling plinth correctly This is how the correctly cut corners of the ceiling plinth look like This is such an ideal.

    How to cut the corner of a ceiling plinth evenly When we evaluate a new renovation, we involuntarily turn our gaze.

    How to cut the corner of a ceiling plinth evenly When we evaluate a new renovation, we involuntarily turn our gaze.

    How to trim?

    In order to properly cut the ceiling plinth in the corners using a miter box, several requirements must be met, namely, to prepare a carpentry machine with certain parameters and a bar. It must be remembered that skirting boards, moldings are made from different materials. woodworking products, modern polymers. It makes sense to list the characteristic properties of each material.

    • Wooden fillets are very strong and heavy. Therefore, you should prepare a sharp hacksaw.
    • Foam moldings are quite fragile. During processing, they crumble, which complicates the process. Cutting the corner is recommended with a sharp knife.
    • Products for the ceiling made of PVC also do not differ in high strength properties. It is better to cut such strips with a hacksaw without strong pressure.
    • Fillets made of extruded polystyrene foam practically do not crumble, trimming corners from this material takes less time. You can use a construction knife or a hacksaw.
    • Cutting corners from polyurethane moldings is also not difficult. This material is well cut with a sharp knife and does not form chips.

    In order to properly cut the outer or inner corner of the baseboards, you must first make a markup. attach the product to the ceiling and outline thin mowing lines with a pencil. In order to cut fillets at a certain angle using a miter box, you must follow the detailed instructions that can be obtained from an experienced carpenter. First of all, beginners are advised to practice on an unnecessary piece of wood, so as not to spoil the decorative element. You should try to cut the inner and outer corners, achieve high-quality work in order to avoid mistakes in the future.

    First, it is logical to try to make an inner corner and only then an outer one.

    • Lean the fillet against the joint on the ceiling and measure the required length.
    • Place the skirting board right side out in the carpentry machine.
    • Press the bar against the wall.
    • Hold the molding with your left hand, take the other hacksaw.
    • Choose a 45 degree position.
    • Decide on a comfortable cutting position.
    • Start cutting without pressing hard on the cutting tool.
    • Saw the reciprocal fillet immediately.

    At the end of the work, the resulting planes must be docked on the floor and the accuracy of the cut must be checked. Carefully sand the irregularities with sandpaper. Now you need to achieve the outer corners. Why is it so important to do the inner corner first and not the other way around? A justified step will allow you not to be mistaken with the dimensions. In the opposite case, a force majeure situation is possible when the fillet may not be enough in length. Therefore, the second stage is the formation of the outer corners. How to make beveled edges with a carpenter machine?

    • Take the plinth, attach it to the ceiling and outline the dimensions with a pencil.
    • Place decorative material in the miter box and press it against the wall with your left hand.
    • Take the hacksaw with your right hand, select the position of the slots at 45 degrees.
    • Cut at designated mark.
    • When cutting with a hacksaw, do not press hard, so as not to spoil the decor.

    Also saw down bevels in the striker.

    How to Use a Mitre Box

    How to properly cut the ceiling plinth in the corners with a miter box?

    It is impossible to achieve a vintage style in the interior without the use of narrow or wide skirting boards, moldings. They are intensively used by modern designers for stylish decoration of ceilings, central and lower parts of rooms. Let’s take a look at how to properly cut the ceiling plinth in the corners using a miter box.

    Basic Rules

    In most cases, decorating a living space with expressive elements of decorative stucco molding does not present serious difficulties. They are mainly used for the purpose of:

    • improving the aesthetics of the interior;
    • masking wall defects;
    • concealment of electrical wiring laid from the invisible side.
    inner, corner, miter

    Aesthetic fragments with ornate patterns, complex ornaments are cut to size with a sharp knife or hacksaw for metal, applied to a flat, prepared in advance, and glued using an adhesive composition. Virtually any beginner in the field of repair can quickly decorate the wall with stucco fragments. But when it comes to decorating corners, at such a difficult stage of work, the main difficulties arise. They are associated, first of all, with the ability to achieve even corners, which is very difficult if you use improvised devices. a knife or a hacksaw. To withstand a certain slope, professional tools are required.

    It should be emphasized that the use of a miter box is not the only way to create even corners of decorative strips, but they are all inferior to the joinery in terms of the degree of use and the quality of cutting. Only professionals with extensive experience can achieve the required edges without a tool. Therefore, it is advisable for connoisseurs of vintage styles to think about the question of how to learn how to work with a carpentry machine in order to easily and quickly cut the outer, inner corners. It is important to list the main advantages of the miter box:

    • low cost;
    • easy use without special tools;
    • fixation options on any surface;
    • small size and weight (made of plastic, wood, metal);
    • cutting corners in two planes;
    • work with planks of virtually any material.

    Molding, plinth, fillet can be cut at an angle of 45, 135, 30, 60, 15 degrees, depending on the model. However, one should not think that the design features end there, because carpentry devices are different: simple, rotary, electrical. But for cutting the slats in order to improve the style of the interior, an ordinary carpentry machine will be enough.

    How to cut off the ceiling plinth in the corners correctly and quickly, see the following video.