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BabyTrains - Snap-in Coupler (Spřáhlo) 3D Printer File Image 1
BabyTrains - Snap-in Coupler (Spřáhlo) 3D Printer File Image 2
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BabyTrains - Snap-in Coupler (Spřáhlo) 3D Printer File Thumbnail 3

BabyTrains - Snap-in Coupler (Spřáhlo)

kiklhorn avatarkiklhorn

May 29, 2026

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Description

🤓New alternative version of the coupler, fully SMART. No need to worry about magnet orientation anymore. Easyier assembly.

related: https://www.printables.com/model/1571868-babytrains-mini-bogies-podvozky

BOM for 1 pcs of coupler

  • 1× neodymium ball magnet🧲diameter 4.6 - 5 mm (NeoCube and alternatives)

  • 1x anything from M1.6 x 6 to M2x 10 screw  (M1.6 x 6 DIN912 recomended)

  • 1x Printed Top and Bottom part - Use files without suffix, or any combination. The only difference is the size of the gap between the assembled parts if someone wants no gap assembly.

🔧 Assembly Instructions

  1. mfg_helper (jig) and parts

  1. put TOP part into jig

3.🧲 Insert ball magnet into TOP part

4.

5. Snap-in BASE part to TOP part.

7. 🪛 Tighten the screw into the BASE part.

Print Settings

  • Nozzle: 0.4 mm

  • Layer height: 0.2 mm

  • Walls/perimeters: standard settings

  • Supports: NO

🚅 BabyTrains | Printables.com                🚂BabyTrains MINI | Printables.com

License:

Open Community License v1

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