Glow-in-the-dark filament is brilliant. I got mine from [reprapworld.com]. Getting the extrusion temperature right so that the filament didn’t ooze out of the nozzle all over the place took a little time but it is ideal filament for printing Halloween goodies.
I started with some simple objects from thingiverse. First I printed a couple of glow-in-the-dark spider webs:
Then a brilliant glow-in-the-dark vampire skull:
Then I spotted Reuben’s ghost hand print card and decided to try to make a 3d print version.