Long time friend of the site, Jhoel Forshav has just released his first add-in for Inventor. It creates projected, adaptive holes for components in Inventor assemblies. This means that when the model changes, the holes dynamically update. Check out the link to the FREE app below. https://apps.autodesk.com/INVNTOR/EN/Detail/Index?id=4944556035855697945&appLang=en&os=Win64 https://youtu.be/q0uChGvcIrs