Manual Kit Modular Marble Machine
Marcin saj 118 092 views.
Manual kit modular marble machine. Modular kit each marble machine consists of a ball lifter and add on module. I called these the mainboards and replaceable modules shields. It allows to build the kit in any configuration. Glue all the layers together shown on the images.
The base consists of three pieces. Note the engraved line on the middle layer defines the area for the gluing top layer.
Source : pinterest.com