Advanced 3D printing techniques

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These are the prints default slicer profiles cannot handle: geometry that needs supports designed rather than switched on, spans with nothing underneath, several materials in one part, or infill chosen for a load case. Expect to run test prints rather than trust a preset.

• When to use tree supportsWhere organic supports beat normal ones, and where they cost you.
• Sagging bridges and drooping overhangsCooling, speed and geometry limits for unsupported spans.
• Honeycomb vs cubic infillChoosing infill for stiffness, weight and print time.
• Printing TPU with PLA or PETGBonding rigid and flexible in one part: interlocks and settings.
• Designing for breakaway supportsDesigning parts so supports come off cleanly by hand.