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Use a miter box or a miter saw.
First, some assumptions:
A) The moulding used has a 45 degree "spring" or slope.
B) the corner you are cutting, inside or outside is 90 degrees.
There are 2 ways to do this, depending on whether you have a simple mitre saw, or one with compound mitre/bevel capability.
1) Using a mitre saw ( no compound bevel capability):
Place the "top" (ceiling) edge of the moulding closest to you, on the saw bed.
Place the "bottom" edge on the fence of the saw.
Position the molding at a 45 degree slope between the bed and the fence.
The molding is now bridging the bed of the saw to the fence at 45 degrees.
Set the saw mitre to 45 degrees and cut the molding
Cut.
For the mating piece, reverse the blade miter and bevel, and cut with the material pointing from from the opposite side of the blade.
2) Using a compound mitre saw (compound miter & bevel capability):
Place the back of the moulding flat on the bed of the saw.
The "bottom" edge goes against the fence
The "top" (ceiling) edge is closest to you.
Set the saw miter to 35.3 degrees
Set the blade tilt (bevel) to 30 degrees.
Cut.
For the mating piece, reverse the blade miter and bevel, and cut with the material pointing from from the opposite side of the blade.
If the angle, or "spring" of the moulding is not 45 degrees ( 38 degree moulding is quite common, fro example), or: If the corner is not 90 degrees, then you will need a table to work with.
These may be purchased here:
http:/www.compoundmiter.com/chart.html#cr-mld-table
I also found free ones here:
http://www.extremehowto.com/xh/article.asp?article_id=60354
And, Remember to protect your fingers!
What else can I help you with?
How can I add cave molding against the walls in my room?
Purchase a few long pieces of cover molding that stretches from one corner to other as per measurements of your room. Cut the molding for a splice connecting two pieces that converge in the center of a wall. First, you do the inside corners and then follow the same with outside corners. Adjust the saw at 45 degree angle and all the corer angles are in 45 degrees. And each cut is exactly the opposite of the cut you actually want to make. When you are working, fix the cove molding firmly in place and watch the angles. You will be done sooner than you can imagine!!
What are the different types of stair molding available for enhancing the appearance of staircases?
The different types of stair molding available for enhancing the appearance of staircases include base shoe molding, stair nosing, cove molding, and quarter round molding. Each type of molding serves a different purpose in adding style and finishing touches to staircases.
How to cut crown molding for cabinets effectively?
To cut crown molding for cabinets effectively, measure and mark the molding, set the miter saw to the correct angle, make the cuts carefully, and test the fit before securing the molding in place.
What angle should I cut crown molding at for proper installation?
To properly install crown molding, you should cut the angles at 45 degrees.
How can I effectively cut outside corner crown molding?
To effectively cut outside corner crown molding, measure and mark the molding, set the miter saw to a 45-degree angle, position the molding correctly, and make the cut. Ensure the pieces fit together snugly before securing them in place.
What angles should be used to cut crown molding?
When cutting crown molding, two angles are typically used: the miter angle and the bevel angle. The miter angle is the angle at which the molding is cut horizontally, while the bevel angle is the angle at which the molding is cut vertically. These angles will vary depending on the type of crown molding and the corners being joined. It is important to measure and cut accurately to ensure a proper fit.
How to measure and cut crown molding accurately for a perfect fit?
To measure and cut crown molding accurately for a perfect fit, follow these steps: Measure the length of the wall where the crown molding will be installed. Use a miter saw to cut the molding at a 45-degree angle at the ends. Hold the molding against the wall and mark where it needs to be cut for a precise fit. Use a coping saw to cut along the marked line for inside corners. For outside corners, use a miter saw to cut the molding at a 45-degree angle in the opposite direction. Test the fit of the molding before securing it in place with nails or adhesive. By following these steps carefully, you can ensure a perfect fit for your crown molding.
What are the different types of stair trim molding available for enhancing the appearance of staircases?
The different types of stair trim molding available for enhancing the appearance of staircases include cove molding, shoe molding, stair nosing, and baseboard molding. Each type serves a different purpose in adding style and finishing touches to staircases.
How can I install cabinet molding?
To install cabinet molding, measure and cut the molding to fit the cabinets, then attach it using a nail gun or adhesive. Sand and paint the molding for a finished look.
How can I effectively cut floor molding?
To effectively cut floor molding, measure and mark the molding to the desired length, use a miter saw to make precise angled cuts, and ensure the cuts are straight and clean for a professional finish.
How to install crown molding on a ceiling?
To install crown molding on a ceiling, first measure and cut the molding to fit the room. Then, use a nail gun or adhesive to attach the molding to the ceiling. Fill any gaps with caulk and paint the molding to match the ceiling.
What are the different types of stair trim available for enhancing the appearance of a staircase?
The different types of stair trim available for enhancing the appearance of a staircase include baseboards, stair nosing, cove molding, and quarter round molding.
