silicon gun, silicone sealant, super glue, cutter, tape, luminous pigment, spoon, socket, bulb, nitrile gloves, release agent, stirring cup, extruded PVC sheet(1mm), mixing bowl, wire, plaster powder
Make a mold of a square shape.
Draw center line on a bulb.
Fill the mold half full of plaster.
Spray release agent. Then put the bulb.
Spray release agent. Then fill with plaster.
After one hour, Separate the cast.
Mix silicone with luminous pigment.
Pour the silicone into the cast.
After 24 hours, remove the cast.
Remove useless part.
Screw the luminous bulb into a socket.