3D Printing FoundationsProject: Simple Keychain
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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 14 of 14Build a Print-Ready Keychain

Project: Your First Print-Ready Keychain 🔑

Time to put it all together!

Requirements

Create a keychain with:

  1. 1Base shape - A flat box or rounded rectangle (30-50mm wide)

  2. 2Ring hole - A cylinder for the keyring attachment

  3. 3Decoration - Add at least one more shape for personalization

Print-Ready Checklist

  • Total dimensions under 50mm × 30mm × 10mm
  • All objects on build plate (Y = 0)
  • No floating parts
  • Name your objects in the Object Tree

Tips

  • Keep it flat for easy printing
  • Use boolean operations to combine shapes
  • Check Print Readiness panel shows ✅ Ready
  • You can export as STL when complete!
Bonus: Add your initials using multiple shapes!

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