If your not up for a challenge, if your printer is not perfectly dialed in, if you can not take printing for an hour and ending up with nothing but piece of junk plastic then read no further.
This is something i did as a test for fun and nothing else. Would it work? Yes it does but it aint easy, there is probably a great chance that you will end up with a picece of junk.
If your up for the challenge, go for it! And please post a picture of "i made one" if you get it working! =)
Here is a short video: https://youtu.be/s-w0J8fYEUA
Use a wrench or similar tool to loosen that balls on the inside, be careful if it is printed properly it should not need to much force.
Post a "i made one" picture.
Swedish CadCam addict hooked on 3D printing.
3D Printing evangelist and Open Source advocate.
Author of The OpenR/C Project and The OpenRailway Project.