ZMR-250 frame 13mm (3mm arms) spacers with XT-60 holder Based on: https://www.thingiverse.com/thing:671315 http://www.thingiverse.com/thing:915515 Note that the XT-60 part is licensed under Creative Commons - Attribution - Non-Commercial license (http://creativecommons.org/licenses/by-nc/3.0/). The rest is licensed under the Creative Commons - Attribution - Share Alike license (http://creativecommons.org/licenses/by-sa/3.0/)