When you make a miter cut on a board that is 1 3 4 wide the inside edge of the board is about 1 3 4 shorter than the outside edge.
Cutting picture frame molding.
Use the appropriate blade for the materials being cut.
For the long horizontal piece first find the center of the wall frame and the center of.
When making picture frame moulding the trick to measuring the length needed is to account for the miter cuts you make.
Learn how to cut perfect 45 degree miters for picture frames.
Use masking tape to mark dark colored moldings if pencil marks are too hard to see.
Next hold a level against the wall and draw a horizontal line across the wall.
You will feel the pivot arm drop down and lock in as it finds.
Practice making precision cuts on scrap wood before making the final cuts for your frame pieces.
Set the pivot of your miter saw to 45 degrees on the right figure e 1.
Step two find level across the wall.
Cutting picture frame moulding.
It is important to place the moulding on the fence.
Step three if working.
Take a 2 3 piece of decorative moulding and cut an inward facing 45 degree angle in one end to match the baseboard.
Line this up on one side of your cut piece of baseboard as pictured above making the decorative piece overhang the top of the baseboard by 25 5.
Post number two you are here step one find the center.