Track for a ball to roll on
thingiverse
Purchase 1/8 inch tubing and 1/4 inch dowels for your project. Use two layers of 1/4 pegboard, positioning them 1/2 inch apart to prevent dowel tipping. The 1/8 tubing fits into Ball_with_large_hole1.stl, while bracket_large_holder_rotate.stl attaches to dowels and the ball model. Employ Ball_no_hole_1.stl for maintaining distance between tracks. A marble or 3/4 inch ball bearing can be used, ensuring it fits over tubing holders. Ball_with_large_hole_10mm_high.stl is for joining tube ends. Video tutorial available here: http://www.youtube.com/watch?v=AyrjrLWlm9g. Initial build instructions provided; adjustments may be necessary due to printing limitations.
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