Dual Extrusion D20

by rplumley, published

Dual Extrusion D20 by rplumley Jun 9, 2012

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I was inspired after watching Wil Wheaton's TableTop on Geek & Sundry to print out a dual extrusion D20. After searching for a while I figured out that somehow this doesn't exist. So hopefully this corrects the matter!
Luckily Whosawhatsis's simplified D20 SCAD script was incredibly easy to hack for this purpose. I was really lazy so there are two scripts to create the individual stl files. I've also blown up a "big" version, but I'd recommend the regular size due to issues with really big prints.


Download d20.stl & d20 neg.stl. For replicatorg use the "merge .slt for DualExtrusion" function under the gcode menu using these files. Print the gcode on your replicator and enjoy!

Note that the files have a lot of corners which tend to warp during the print. I'd recommend printing as hot as you dare in order to get good adhesion. I had a couple tries before I was happy with it. I also saw a lot of string deposits from the white extruder because of thermal expansion between printing numbers. Obviously I'm still learning about how to deal with two heads.

Printed dice are not going to be correctly weighted, but it seems alright except where a corner pealed off the platform.

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Dual Extrusion D20 by rplumley is licensed under the Creative Commons - Attribution license.

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Right.. Just got my second extruder online, and i'm terrified to print this without support. tell me it will work!

I've printed a few of them, but I agree that it's not a good on to start off on. If you have the alignment done correctly it shouldn't be a problem.