{"issue":{"pull_request":{"diff_url":null,"html_url":null,"patch_url":null},"state":"open","user":{"avatar_url":"https://secure.gravatar.com/avatar/547263b7b07733924114b4f62aea39a2?d=https://a248.e.akamai.net/assets.github.com%2Fimages%2Fgravatars%2Fgravatar-140.png","gravatar_id":"547263b7b07733924114b4f62aea39a2","url":"https://api.github.com/users/pawl","login":"pawl","id":992533},"milestone":null,"updated_at":"2011-10-28T07:10:01Z","labels":[],"assignee":null,"closed_at":null,"comments":1,"url":"https://api.github.com/repos/prusajr/PrusaMendel/issues/29","body":"I see a lot of people (including myself) having trouble with the Z Coupling in this repository cracking due to stress. \r\n\r\nMaybe we should consider a design like Nopheads?: http://www.thingiverse.com/thing:9622\r\n\r\nIt looks like Nophead's design is the one PrusaJr prefers: http://www.flickr.com/photos/prusajr/6045851714/in/photostream/lightbox/\r\n","html_url":"https://github.com/prusajr/PrusaMendel/issues/29","number":29,"title":"Weak Z Coupling ","id":1930616,"created_at":"2011-10-17T16:24:18Z"},"action":"created","comment":{"user":{"avatar_url":"https://secure.gravatar.com/avatar/1f5f33dfc669de1ca9f587e26165840c?d=https://a248.e.akamai.net/assets.github.com%2Fimages%2Fgravatars%2Fgravatar-140.png","gravatar_id":"1f5f33dfc669de1ca9f587e26165840c","url":"https://api.github.com/users/brad","login":"brad","id":1614},"updated_at":"2011-10-28T07:10:01Z","url":"https://api.github.com/repos/prusajr/PrusaMendel/issues/comments/2553224","body":"Agreed, nophead's couplings work incredibly well. I went through several of the default couplings and they all broke. I never worry about my couplings breaking now.","id":2553224,"created_at":"2011-10-28T07:10:01Z"}}