I bought a novelty gooseneck floor lamp for my children when they were small. The primary color shades grew brittle and broke. Rather than landfilling the whole lamp, I printed some new shades with this glittery transparent PLA.
I did the design in FreeCAD.
Use LED lamps -- I'm sure that incandescent bulbs would soften or melt PLA.
Printed in vase mode.
vase mode; I had to slow it way down (1800 mm/min) or I got layer separation; I ran the extruder at 205C