[Solved] What is a common design rule to reduce the need for supports in 3D printing? — Ans: Design slopes under 45 degrees to avoid supports | 3D Printing

3D Printing - Support Structures

What is a common design rule to reduce the need for supports in 3D printing?

AUse only vertical walls without any angles

BMake all parts hollow to reduce material

CDesign slopes under 45 degrees to avoid supports

DAdd extra layers to increase thickness

Step-by-Step Solution

Solution:

Step 1: Understand slope impact on supports
Slopes under 45 degrees usually print without needing extra support because the printer can build layers steadily.
Step 2: Compare other options
Vertical walls or hollow parts do not directly reduce supports; extra layers increase material but not support needs.
Final Answer:
Design slopes under 45 degrees to avoid supports -> Option C
Quick Check:
Slope angle < 45° = minimal supports [OK]

Quick Trick: Keep slopes gentle, below 45 degrees to avoid supports [OK]

Common Mistakes:

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