Find Missing 3D Bodies

Steps for finding missing 3D Bodies

1) PCB Filter

InAnyComponent and ((HasGenericStepModel) or (HasExtrudedModel) or (HasCylinderModel))

2) PCB List
Advanced > Select Owner Components

3) Pcb Doc
Use Find Similar > Selected = Different > Apply

4) PCB List > Select All > Copy and Paste to Excel to create a Report

Altium Forum: How to report component on pcb without 3d model 

That's It !