A 3D printed tool insert made with polyphenylene sulfide (PPS) using Arburg Freeformer. It has adequate heat resistance for moulding prototypes in silicone and certain thermoplastics.
Flex Tube from Studio About by Mikkel Lang Mikkelsen features an LED light in a silicone rubber tube that can be bent and draped. It is waterproof and so can be used outdoors.