Melissa and Doug Train Puzzle Gear Piece

Missing one of those pesky gears from the Melissa and Doug Train Puzzle? I've reverse eng'd the dims to print new one!
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updated May 6, 2025

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Missing one of those pesky gears from the Melissa and Doug Train Puzzle? I've reverse eng'd the dims to print new one!

They seem to walk away easily. If you’re a parent and you’ve been trying to hide this toy, you know it’s rarely together with all the original gears 😂

 Of course, I've set this up to be 3d printing friendly, however, supports are required underneath the gear to allow the middle cylinder to sit proud 1.5mm and let the gear spin freely. I painted supports on the large flat bottom section and the flats within the middle cylinder. 

Printed in PLA on a Bambu Lab A1 Mini. 0.18layer height, 0.6nozzle (.4 or .2 would be better), 3 walls, zhop 0.4, 25% triangles infill for better top surface quality. I'd be curious to try PETG HF on this for smoother layer lines. 

Bambu Lab PLA Matte 11200 seems to be a good match for the red.

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