Printable crosslink ellipse gears

by natetrue, published

Printable crosslink ellipse gears by natetrue Jan 7, 2010

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Printable crosslink ellipse gears by natetrue is licensed under the Public Domain license.

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I 3d-ified the design by stickoutrock and made it so the crosslinks snap into place.


Print two each of the STL files, clean, and snap together! Make sure the gears are aligned correctly; if things aren't sitting right, rotate one of the gears 180 degrees and try that way (they are not rotationally symmetric!)

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These gears are so cool! I noticed they don't really touch each other. I printed them in black and green and they snapped together beautifully! I used drayde's link redesign. Well done to both of you!

These gears are awesome!

Unfortunately some of the joint parts broke off when I tried to snap them into the holes. I tried to design a more robust version: http://www.thingiverse.com/thing:5322http://www.thingiverse.com/thi...

Ellipse Gears
by drayde

I had the same trouble, had to print bunches of extra struts just to make four gear toys. Have enough gears left to make two more but not going to spend all day printing struts for demo. will take a look a drayde's mod.


Hmm, still need to calibrate, so I might have to print these again... Still look cool!

My Y belt wasn't tightened enough :P Looks great now

These look great! Since I don't have a 3d printer can anyone recommend a good place to have this fabbed?

Email me at printo3d (at) printo3d (dot) com

Haha, you putting up some rapid-prototyping services? Sounds awesome 8D

These are a lot of fun. I loved the fact that printing the posts for the gear links sounded remarkably like one of the instrumental parts of "By-Tor And The Snow Dog" by Rush.

this works really well

Well that depends on what you mean by working. Do they go around smoothly as designed? Yes. Do they do anything useful other than that? Nope. :)

some of the best things in life are absolutely useless, but fun!

it obvious does something usefull...I could play with it for hours... :-P

thats all it needs to do :-D

does it work? :P

Because the gears are elliptic and the holes are offset has you rotate the gears the crosslink does not have to move and holds the gears together.