80/20 construction parts

I use 80/20 at work a lot so i thought it would be fun to design my own for myself and my son.

This is the 1 inch version but i am sure it could be scaled up in slicer software to 1.5 inches.

The actual 80/20 extrusion bar is 10 inches, thought process is the bottom can be cut off in your slicing software to what ever length you want.

Everything is designed around 1/4-20 bolts except the bearing slide is meant to use 3mm to lock it in place when needed. You can either tap the holes or l