MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.

Download Now


Drive Chain fully parametric

by peanut Aug 17, 2013
Download All Files

Thing Apps Enabled

Please Login to Comment

Comments deleted.

Hi there,

I am checking the chain.scad file and I noticed that the link hole is missing on the right side of the chain. Can you explain me how I can add it?

Solved it.
There is a "mirror function" code line missing in line 310 (inside the function module chain () )

where it is written:

309: translate([0,height/2,-max(link_deep,link_hole_deep)])
310: //right

It should be:

309: translate([0,height/2,-max(link_deep,link_hole_deep)])
310: mirror([0,0,1])
311: //right

This worked for me only for type 2. The lightest version (1) still does not get a hole then.

This fix does the job:
Line 314 - 318:

Just swap r1 and r2

I have printed 10 single pieces of the chan and and assembled perfectly, then I have print two gear with default parameters, but both the gears have the tooths that there are too long compared the chain :(

Update : I have set the gear parameters Lenght 20 instead 21 and clearance to 0,3. It's work well :D

Could these gears go to 4 teeth and larger than you have? I want to try to built an espinner using a 3d printer and your drive chain may work at driving it.

the smallest one i print had 5 teeth and works fine. Just download the two .scad files, opening test_chain.scad , change the "teeth" parameter by your favorite gear and export it as stl file.
Or change more parameters and build your own chain + gears in your favorite size.