FreeKnitting Needle and Crochet Hook Gauge - 2 to 10 mm Sizer with Ruler and Swatch Window, No Supports (OpenSCAD)Printables
FreeRound Knitting Loom - 16, 24 & 32 Peg One-Piece Looms with Grooved Pegs, Customizable (No Supports)Cults3D
FreeYarn Bowl - Keeps Your Ball of Yarn from Rolling Away, J Slot and Strand Hole, No Supports (OpenSCAD)Printables