Hi Elliott, This is a great breakdown and very generous in sharing your process and insights, you came a long way from the vending machine days!
Are you planning on releasing the UE4 project to the public? Or only builds? I'd love to play around with it in the editor if possible!
Cheetah3D Tutorial: Using Blueprints For Accurate Modelling
This video teaches how to use blueprints to create accurate 3D models.