Edge Treatments: Chamfers & Fillets

Chamfer vs Fillet
| Type | Shape | Best For |
|---|---|---|
| Chamfer | Flat angled cut | Overhangs, bottom edges |
| Fillet | Rounded curve | Stress points, aesthetics |
The 45° Chamfer Trick
Any 90° overhang becomes printable with a 45° chamfer.
This is the single most useful design trick!
Fillets for Strength
- Distribute stress at corners
- Prevent crack initiation
- Even small radii help