Dan Padova posted:Do yourself a favor and forget the ready-made saw guides or track saws, as you call them. Take a piece of 1/4" luan plywood and rip it to maybe 8" in width. Make another rip about 4" wide. Now glue the smaller rip on top of the larger one. When the glue had set, take your circular saw and run the plate along the lip created by the smaller piece of ply on the larger piece. It will cut the larger (bottom) piece exactly the right distance from the lip.
Now when you want to rip or crosscut a sheet of plywood, simply set the edge of your new saw guide on the pencil line you made when you marked you plywood for cutting. The saw will make a perfectly straight cut.
You can make one saw guide 8'-0" long and another 4'-0" long. You will be surprised how long they will last.
This method works with sidewinders and worm drive saws.
Dan I've been using those for years. It doesn't get any simpler or more accurate than that. Old school is great.
