I've managed to "fix" this by shrinking my planet gears to the point where

I’ve managed to “fix” this by shrinking my planet gears to the point where they are no longer a snug fit, and the slicer doesn’t interpret them as being in contact.

What I’d like to know is whether there is a slicer setting I can use so that it will calculate a retraction there.

Originally shared by Greg V

How do you avoid the slicer running your gears together like this?

Was using Slic3r in this case.

21a6583af46f6d4c71b811801b974341.png

Am I seriously the only one who’s encountered this?!

Cura did not have this problem, but I don’t know yet if that’s inherent to the algorithm, or just different settings.

I don’t have an answer, but I can speculate. My guess would be that you might get a different result if each gear was a separate part.

@Rob_Nance that was my guess too, but SLIC3R doesn’t see it that way. The screen shot above is two separate parts imported and positioned separately in Repetier, prior to slicing. As I indicated in the comments, switching to Cura as a slicer fixed the problem. Unfortunately it creates some other problems.

@Nathan_Walkner ​​ Changing the spacing was what I was trying to avoid (although it does work, it just results in more backlash and sloppier fit). I did find that reducing the extrusion width in the slicer settings made the slicing error go away.