Bill of goods to build your own:
License is the same as the original author. I really enjoyed this project and found a “just follow these instructions and buy these parts” for common hardware a bit difficult to find, so I'm hoping this is helpful to someone. Big thank you to @AlaskanAstro_238224 for sharing his model and making it available for everyone.
The author remixed this model.
Took the model from @AlaskanAstro_238224 and made some alterations for my needs: