Found four self r1 3d models

thingiverse
free
...am not advocating this seller. https://www.amazon.com/vovov-selfadhesive-rubber-bumpons-diameter/dp/b016gwhsbe/ref=sr_1_12?ie=utf8&qid=1479128622&sr=8-12&keywords=rubber+feet 1/9/17 uploaded turbopi http://www.thingiverse.com/thing:2012987 also,...
grabcad
free
...brake system (which is also self constructed) <br /> <br />...