Start by printing "Butterfly Base 2.stl".
Cut the LED strips to size using a pair of scissors. Ensure you put them in the correct way round.
Glue on a piece of paper to act as a diffuser
Next either print "Butterfly Merged.stl" using transparent filament and switching to black filament during the print or use ericchf's two files and glue them together. Glue this on top of the diffuser .
Print the Digispark Bumper V1.stl and glue on back of butterfly
Connect the wires to your Digispark board +5V to +5V, P0 to Din, GND to GND.
Program the Digispark board with the Sketch provided