Basic Microscope Kit lens adapter

Based on part of https://www.thingiverse.com/thing:2301024

and part of the Basic Microscope Kit: publiclab.org/basic-microscope

https://publiclab.org/questions/bronwen/03-09-2018/help-the-kits-initiative-launch-the-basic-microscope-kit-by-3d-printing-lens-adaptors

https://publiclab.org/notes/partsandcrafts/02-15-2018/2-attaching-your-raspberry-pi-camera-to-a-microscope-objective-lens