3D scan 37mm makro lens & camera adapter for Acer K137i

I recently found a 37mm makro lens adapter i wanted use for 3d scanning with my Acer K137i LED projector, but after printing it i recognized it doesn't work.

So i did my own (quick and dirty) one using FreeCAD and added a base to also fix the camera to the projector. I finally added two slots to fix the adapter with a cable tie to the projector (as you can see on the pics) which works good in addition to the slotted tab which fits to the adjustment screew on the bottom.

I added the freec