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16mm Marble Robot Ballcaster
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This part is an affordable robot 3rd wheel to make low cost differential motor robots.
You only need a glass/steel marble, the printed part and two couple M3 bolt and nut to mount this part on a robot.
The marble is inserted by a simple pressure. To extract the marble you can push it with a screwdriver through the top hole.
The distance between the two holes is 20mm.
You only need a glass/steel marble, the printed part and two couple M3 bolt and nut to mount this part on a robot.
The marble is inserted by a simple pressure. To extract the marble you can push it with a screwdriver through the top hole.
The distance between the two holes is 20mm.
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