Uploaded December 2017 | Updated September 2026, 2 weeks ago
I modeled this bump key hammer after the Sparrows bump key hammer. Sparrows is about $12 and this cost about $5 in materials to make. I made it available on Thingiverse.com - thingiverse.com/thing:2707828
I modeled this bump key hammer after the Sparrows bump key hammer. Sparrows is about $12 and this cost about $5 in materials to make. I made it available on Thingiverse.com - thingiverse.com/thing:2707828










