These are designed them to fit what in Sweden is known as "VP Tubes" which are often used in electrical installations. But obviously they will fit any pipe/tube with the right dimension.
CadCam addict hooked on 3D printing. 3D Printing evangelist and Open Source advocate. Author of "The OpenRC Project" and "OpenRailway Project". Designer, Maker, Presenter and destroyer of small parts!Pateon: https://www.patreon.com/Dan...