NASA Ratchet Wrench - Tighten And Loosen
thingiverse
I updated 2015-01-15 to include a doublesided version with both directions in one tool, righty tighty and lefty loosey. I had already seen plenty of these but since my version is a bit different and put some work into it, I decided to upload them anyway. The NASA Space ratchet wrench (http://nasa3d.arc.nasa.gov/detail/wrench-mis) was the first e-mailed and printed tool in space; however, it only tightened. Therefore, I mirrored it and created the Righty Tighty Lefty Loosey set. http://www.3dwp.nl
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