Most auxiliary fences that bolt to a miter gauge eventually start to look pretty ragged.
Diy miter gauge fence.
How to make the most effective miter saw fence.
Length for both pieces should be around 30 inches.
The first part to make is the base that bolts onto the deck of the saw.
Build a wear proof miter gauge fence.
I used 3 4 baltic birch plywood for that for stability and strength.
If you use an auxiliary miter gauge fence for mitering beveling and dadoing you eventually wind up with big chunks missing.
Then you can now mount the extension fence to your miter gauge.
Cut another piece 4 inches wide for the fence itself.
The original fence was in two pieces and that made it tricky to line up precisely.
The stock fence was perfectly straight and square to the blade so i wanted to preserve that.
Join the strips of wood together using some glue and 2 inch brad nails.
Cut a piece of plywood or mdf 7 inches wide to use as the base for your fence.