1. Radii
Check for sharp corners
2. Wall Uniformity
Check for too thick sections
3. Ribs
Check for too thick/close & tall ribs
4. Bosses
Check for too thick & tall bosses
5. Draft
Check for zero drafts
6. Snap-fit
Check for rigid snap-fit
7. Screws
Avoid countersunk features for screws
8. Molded in threads
Avoid countersunk features for screws
9. Weld line formation
Check for weld line formation
10. Warpage
Avoid non-uniform cooling