Single Extruder - Multicolor, RaspberryPi case

by MRecord, published

Single Extruder - Multicolor, RaspberryPi case by MRecord Mar 13, 2013


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I like the case redpeppr made, but I wanted to have the Raspberry logo on it. So I adapted it to make it multicolor.

It turned out to be quite nice. I had to transport my printer recently, so my Z-endstop is a little bit too high. Maybe I make a new one with better settings.


Make sure the models are centered correctly before slicing. The four little dots make sure that both models are the same size.

  • Print the infill first at 0.5 mm first layer height with your desired color, I used red.
  • Remove the four little dots and switch your filament to the second color, I used white. Try not to home the printer to make sure everything aligns.
  • Print the cutout at 0.45 mm first layer height to improve adhesion. Slicer thinks it needs to bridge the other parts so you need to change this setting for a better result.
  • Carefully remove the part as the logo might come of.
  • Print one of the bottom parts from http://www.thingiverse.com/thing:30572 or use the one with screw holes (M3).

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Just a thought, what if you slice each one individually, then combine the gcodes with a pause? With Sailfish, very easily done? Heated pause would let you change the filament easily. Very nice work and concept!!!!!

I can give it a try, but you have to make sure not to pause above your print because of oozing. And besides that, when you change filaments the new color doesn't come out at once. There is always some plastic left behind in the extruder. The border between colors will be a little vague.
Maybe I'll come up with an idea to fix these problems. But I think combining g-codes is a lot of work when you can do it this way.
Thanks for the idea though, I will continue experimenting.