10 Reasons Why Inventor Is Still My Sweetheart. Fusion 360 has possibly more modeling features than does Autodesk Inventor. However, Fusion falls terribly short in terms of automation, often requiring explicit selection from a long pull-down to accomplish a goal. Autodesk Inventor, on the other hand, often only requires a general nudge in a. What’s the difference between Inventor LT vs Inventor. Autodesk released a limited edition of Inventor (Inventor LT) which allows you to start using the 3D modelling software without hurting your back pocket.