Printable steampunk lamp model with the touch sensor (see link Below) you have a 3 position switch dimmer. fits in the 3/4" tee connector with this model you also get the printed gauge to conect the valve wheel i used a 6 mm bold with a M6 cap nut the nut serves as the touch sensor https://youtu.be/gja_dbCCK-0
https://www.banggood.com/custlink/GKvv0v1Un6
3D PRINTING SETTINGS 3D PRINTING SETTINGS 0.2 mm layer 3 perimeter 3 top /bottom layer
3D model format: STL