I made mine 4 feet for crosscuts and doors.
How to rip a sheet of plywood with a circular saw.
Place long pieces of 2 x 2 lumber in the notches between the two sawhorses so they re flush with the top of the sawhorses.
Now squeeze the trigger and slowly lower the blade into the wood.
Next lift the rear of the saw but keep its front edge pressed firmly down on the sheet.
Raise the lower blade guard out of the way while keeping a firm grip on the saw.
Adjust your circular saw cutting depth to be just below the material.
Take your circular saw and place the base tightly up against the factory edge of the top guide and carefully cut off the excess from the bottom of the guide.
I slide my circular saw with sled attached onto the guide and set the desired width then flip the tab to clamp in place.
Of all the tips i can give you this one helped me the most.
Then all you have to do to rip ply goods of 8 foot lengths is mark both ends and clamp your melamine guide to the plywood.
Next you need to run your circular saw along the edge of the top piece.
Your cut line will be where you place the edge of the guide.
You now have a circular saw guide that will allow you to rip a full length sheet of plywood.
This guide is designed to rip plywood into strips by running the straight edge along the edge of the plywood while the circular saw cuts a certain distance away.
The system works well for both rip cuts parallel to the grain and crosscuts perpendicular to the grain.
Adjust your saw blade depth.
Use the circular saw to rip or crosscut the plywood.
It s easy to cut plywood with the circular saw by following th.
Start by marking the outline of the square or rectangular hole onto the plywood sheet.
If you need to cut plywood down to size but only have a circular saw or skilsaw don t worry.
I keep a piece of rigid foam board in my workshop.
Lay 2x4s under the plywood perpendicular to the direction of the cut.
This will rip the bottom piece to match the bed edge to blade distance of your saw.
I do about 1 4 so for ripping 3 4 thick plywood i set my blade to about 1 depth.
Use an 8d nail as a third hand.
Drive an 8d nail through the board and into the sawhorse to prevent the board from slipping while you rip it.
The 2x4s will be sacrificed just a bit when the blade passes over them but that won t affect the quality of the cut.