About this 3D model

I wanted some bar clamps so i decided to use a common 3/4" dowel so that anybody could print this and make any size bar clamp they want. I made a slot for a 1/4"-20 nut so you can use any 1/4"-20 screw with it. You will need two reg nuts and a wing nut or three reg whatever you want. To print this out you just lay the piece flat so that one should not require support and the other only needs it in the hex nut slot.