I was doing some bike maintenance today and wanted to disassemble my rear hub. It turned out that I needed a 12mm Allen bit for that, which I don't have. So I 3D printed one! And it worked! Torques safely to 5Nm and I only needed 4Nm for the job. Haven't tested higher torques.
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Nice! What material?
PLA
Ha I’m gonna print a flat socket to try my fox air cap
…in pla…
Oh, it totally worked for the record.