#3 Marble machine Ball arm and catcher assembly
thingiverse
The ball lift mechanism consists of 6 parts. The Marble machine I built using these parts has a series of 6 of the parts (more or less). There is a small indent on the main ball wheel arm indicating the bottom. The main arms are 1- ball wheel arm, and 2- the ball catcher. These were printed standing upright, all other parts were printed laying down. To complete the ball wheel. you will need 5x3 Neodymium magnets (link below) to be super glued into the small pockets at the tips of each ball wheel. You will also need a bunch of M4 set screws linked below, and a 1/4" x 36" aluminum rod (6.35mm X 914mm) to cut into axels. https://www.amazon.com/gp/product/B09QHS6VSJ/ref=ppx_yo_dt_b_search_asin_title? ie=UTF8&psc=1 https://www.amazon.com/gp/product/B094CV7L7R/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
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