3D Printing FoundationsCreating Thick-Walled Objects
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3D Printing Foundations

Course progress0/14
1Understanding 3D Printing
  • Introduction to 3D Printing
  • Understanding Scale
  • Your First Print-Sized Model
  • Checking Print Dimensions
2Build Plate & Wall Thickness
  • The Build Plate
  • Positioning Objects
  • Wall Thickness
  • Creating Thick-Walled Objects
3Overhangs & Supports
  • Understanding Overhangs
  • Self-Supporting Shapes
  • When to Use Supports
  • Optimizing for Minimal Supports
4Your First Print
  • Print Readiness Checklist
  • Project: Simple Keychain
3D · Lesson 8 of 14Design a Sturdy Box

Creating Thick-Walled Objects

Walls need to be at least 1.2mm thick for FDM printing!

Task

  1. 1Create a Box for the outer shell (4×4×2 units = 40×40×20mm)
  2. 2Position it on the build plate
  3. 3The default solid box has infinitely thick walls - perfect for printing!

Remember

  • Minimum wall: 1.2mm (3 nozzle widths)
  • Recommended: 2mm for strength
  • Our solid boxes are always printable!

For hollow objects, you'd need to ensure shell thickness in your slicer software.

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