Odd circular saw guide

Its an interesting build. I am not so sure I would have done the hinge bit, I like the ability to clamp the guide down thought. Mye, I would have done a thin sheet that the saw traveled on, and then the clamps thru a thick board the went along side.

https://www.homemadetools.net/forum/circular-saw-hack-%7C-amazing-woodworking-tools-hacks-%7C-tips-tricks-86288?homelistings#post185028