5 model

Free

20x50x10 mm - 10 cubic centimetres volume calculation part

Thingiverse

Free

Headphone hanger with 20x5mm round magnet

Printables

Free

IKEA PAX Shelf Drill Jig / Guide - 20x58x236 cm (7 7/8x22 7/8x92 7/8) Add-on End Unit

Printables

€2,00

Rectangle Bases

MyMiniFactory

$8,77

GEPRC Vapor D5 / X5 Gopro Hero 11/12/13 Mount 20 Degree [Bando Approved Series]

Cults3D