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Losi NASCAR Motor Mason Jar Break-In Fixture 3D Printer File Image 1
Losi NASCAR Motor Mason Jar Break-In Fixture 3D Printer File Image 2
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Losi NASCAR Motor Mason Jar Break-In Fixture 3D Printer File Thumbnail 1
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Losi NASCAR Motor Mason Jar Break-In Fixture

Crafty Tech Zone avatarCrafty Tech Zone

January 1, 2026

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Description

A 3-piece 3D-printable fixture designed specifically for clean, hassle-free water break-in of the Losi NASCAR motor (may fit other similar diameter motors). The mason jar lid features a center pass-through hole and mounts to a 2-piece split clamp that securely holds the motor in place. Two clamp options are included: one that requires no heat inserts and one designed for heat inserts for added durability. Compatible with standard mason jars.

 

Boost MeBoosts = motivation = more free RC parts for you 😄 If this print worked for you, a Boost would seriously make my day.

Hardware required:
• 2× M3×6mm screws
• 2× M3×20mm screws
• Standard mason jar

License:

Standard Digital File License

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