https://www.thingiverse.com/thing:3262778 https://www.thingiverse.com/thing:3262778 That and some other designs I printed. It's also been useful for some nifty

https://www.thingiverse.com/thing:3262778 https://www.thingiverse.com/thing:3262778 That and some other designs I printed. It's also been useful for some nifty geometry problems in my day job.