Traxxas TRX4 front battery box

thingiverse

This enclosure measures 28mm x 106mm and stands 27mm tall. The space inside is reserved for the battery, excluding the opening for wires. It attaches using two front servo screws, which should be extended to ensure stability. A hole in the design accommodates a 20mm wide battery strap. The inner fenders must be significantly trimmed down, and one of the passenger side mounts needs to be completely removed. To maintain strength, I drilled holes in the rear supports for a 5.6mm diameter heat-set insert. You can then drill a hole in the inner fender and secure it with screws on both sides. Helpful Tips: All filament contracts after cooling. The amount of contraction varies depending on the type of filament used. PLA typically shrinks by about 0.25%. PetG shrinks around 0.35%. Taulman 910 shrinks at a rate of 0.31%. This means that a PLA part printed at 200mm long will be shorter by approximately 0.5mm. To compensate for most contraction, I scale all my designs in the slicer to 100.25%. Verify this information yourself if you're unsure. Humid air is actually less dense than dry air, so it's best to place a desiccant at the top of any container you want to keep dry. Check out my designs for a dry box you can build.