The drawings were generated with OnShape, an online solid modeling program. Screenshots and STEP model linked below.
The publicly viewable project is here: https://cad.onshape.com/documents/6dac3cc298f449ba330ecec5/w/b6d207d67b9a6c6a2e5be83b/e/7f02ed0baae1a22f746ece6b
