Started with https://www.thingiverse.com/thing:3564057 Modified to work better with my own hardware: * Adjusted shoulder/arm widths to work with M4x20 screws * Added lifting bump to lower arm because my servo horn too short * Moved servo contact point closer to middle of lower arm * Marlin commit e99ddb2fc430a3e0b19851f11fde9d3400b14b42 based-config * New egg.svg for plotting in Inkscake (200x100)