2 Color Pocket Coin-op
by br3ttb, published
you are going to Maker Faire aren't you?
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Nothing. STL files really don't have any extra data that can be used for that, so right now it is up to the user to make sure the STLs are exclusive to each head. Overlapping is not protected, in case you want to fuse plastics.
That is exactly how it is implemented. The tools do not yet defect things like overlap (it might be intentional for all it knows).
Looking at the STL's I'm going to guess that the 2 files are sliced separately and then the 2 g-code files combined with adjustment for printhead offset and instructions are sent to the 2 different extruder axies. Multi colour printing using STL files always was going to be a hack seeing as the file type doesn't support colour.
I wonder if the combining tools are smart enough to detect intersecting models...
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