Guitar holder - wall

I needed an holder for my guitar and i decided to design my own version. I used topology optimization tools to design the principal frame.
the two cam are made of tpu to ensure a safe contact with the guitar.

to complete the project you need 4 bearings with Dext = 22mm ,Dint = 8 mm, width = 7/8mm. You also need two M8 screw with a mimimun length of 65 mm.
There are also some slots for magnets which helps the cam to return in position after grabbing the guitar. the magnets have a diameter of 6mm and a thikness of 3 mm

Sorry for the bad choice of colors but i had to finish some spools