THIS IS A WORK IN PROGRESS!
UPDATES IN THE NEXT DAYS/WEEKS

This is my first multicolor/multimaterial OpenSCAD design.
The trick is to put the different materials/sections in their own functions and render each separately into an .stl.
When you import them intp prusaslicer, open all at once and you should see a popup stating that you might be trying to import multiple .stls that are part of one design.
Confirm this dialouge and now you have one object with 3 sub-objects that you can drag and drop to change the order of the print.
You can assign a different extruder to each of those subobjects.

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The design i created here is a sphere i printed in black that has multiple cube structures in fluorescent PLA sitting on its surface rotated in certain angles.
The structure is mounted on a 24v fan with hotglue.
I designed a stand for the BEGÅVNING glass decoration thingie from ikea.
Inside i mounted the fan and electronics.