FreeExtending Lego Lightsaber
Thingiverse
12 model
Free
FreeParametric Extending Back Scratcher
Printables
FreeCreality Sonic Pad Extending Arm
Thingiverse
FreeMounting holder for Extending Clothes Dryer
Printables
FreeAnkermake M5 - Spoolholder - Expanding Mandrel
Printables
FreeExpandable Sleeve for Ankermake M5 - Spoolholder - Expanding Mandrel
Printables
FreeFlsun T1 expanding pliers for parallel arms
Printables
FreeToilet paper spindle expanding with Rubber Band
Printables
FreeTwoPlus - Modular addon for Multi-color extruding
Thingiverse
FreeExpanding Spool Holder Hub
Thingiverse
FreeM6 Expanding Nut Holder / Blind Anchor (for 12mm holes)
Printables
Free16mm telescoping rod - print in place self contained
Printables