PInewood derby axle guards
thingiverse
Keep your axles in perfect alignment before racing with this simple and convenient solution. Print it out quickly, then secure it firmly to the underside of your car using up to six M3 or M2 self-tapping screws. Alternatively, #4 wood screws from big-box stores can be used, although they might be a bit too large.
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With this file you will be able to print PInewood derby axle guards with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on PInewood derby axle guards.