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TrackDesign for 3D Printing
Chamfers & Fillets
7 / 11

Design for 3D Printing

Course Progress0/11

Design Thinking

Think Print-FirstDesign an L-Bracket

Tolerances and Fit

Understanding TolerancesDesign Mating Parts

Bridging and Edges

Bridging GapsDesign a Bridge StructureChamfers & Fillets

Multi-Part Design

Multi-Part DesignDesign an Assembly

Phone Stand Project

Phone Stand Design BriefProject: Phone Stand

Design for 3D Printing

Course Progress0/11

Design Thinking

Think Print-FirstDesign an L-Bracket

Tolerances and Fit

Understanding TolerancesDesign Mating Parts

Bridging and Edges

Bridging GapsDesign a Bridge StructureChamfers & Fillets

Multi-Part Design

Multi-Part DesignDesign an Assembly

Phone Stand Project

Phone Stand Design BriefProject: Phone Stand

Edge Treatments: Chamfers & Fillets

Chamfers and Fillets
Edge treatments for better printability

Sharp edges cause problems. Chamfers and fillets help!

Chamfer vs Fillet

TypeShapeBest For
ChamferFlat angled cutOverhangs, bottom edges
FilletRounded curveStress 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