21700 Battery Assembly Jig 3D print model

$10

License: Editorial No Ai

author:

spoocane777

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This 21700 battery assembly jig is designed to securely hold and align nine (9) 21700 lithium-ion cells during battery pack assembly while remaining compact enough to fit within common 220 mm 3D printer build plate constraints. The jig maintains consistent spacing and orientation across all cells, helping improve accuracy and safety during spot welding, soldering, or inspection.

By securely retaining each cell, the jig minimizes movement and reduces the risk of accidental short circuits during assembly. The nine-cell layout makes it ideal for small battery packs, prototypes, and modular pack designs while staying compatible with standard desktop 3D printers.

Optimized for 3D printing, the jig can be printed in PLA+, PETG, or ABS and requires no supports. Its balanced design offers rigidity, ease of printing, and reliable cell alignment, making it a practical tool for hobbyists, electronics builders, and makers assembling custom 21700 battery packs