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Building the Alphabet, One 3D-Printed LEGO-Compatible Letter at a Time

Posted on October 27, 2025

I’m diving into a fun and colorful 3D-printing project: creating the entire alphabet — A to Z — as LEGO-compatible letters! Each letter will be printed in a different PLA filament, making this a vibrant mix of colors and brands. Each one is giving me a place to stick those LEGO bricks I love to step on in the dark. Along the way, I’d love your input — comment or tag at the bottom of each video your favorite filament brand or color to inspire the next letter. You can follow the series and watch all the letters as they’re added with this playlist: Watch the full LEGO Alphabet series on YouTube and check out links to all the brands and colors I have used below!

  • A – Overture Green
  • B – Polymaker Glow Green
  • C – Overture Blue
  • D – eSUN Pink
  • E – AMOLEN Glow Blue
  • F – GIANTARM Slik Gold
  • G – Polymaker Panchroma PLA Filament
  • H – CC3D Color Change PLA
  • I – Overture Yellow – Video
  • July 31, 2026 by David Can I Make a Leather Wallet Worth Selling?
  • October 27, 2025 by David Building the Alphabet, One 3D-Printed LEGO-Compatible Letter at a Time
  • February 6, 2025 by David Drawer Trim & Sliding Tray Rails | Custom Desk Build
  • January 29, 2025 by David Drawer Faces - Building A Custom Desk
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