NASA Ratchet Wrench (Loosener)
thingiverse
This is a unique adaptation of the ratchet wrench that NASA launched aboard the ISS for 3D printing. The original model, found at (http://nasa3d.arc.nasa.gov/detail/wrench-mis), was only designed to tighten, so I've created a new version specifically intended to loosen. MadeInSpace receives all credit for their ingenious design. To ensure proper functioning, print this model with 0.1mm layer thickness and 100% infill. ABS is the recommended material.
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