Track for a ball to roll on

thingiverse

You will need to buy some 1/8inch tubing and you will need 1/4inch dowels. I am using two layers of 1/4 peg board to place the dowels in separate the two layers by 1/2 inch so the 1/4 dowels will not fall over. The 1/8 tubing fits into the Ball_with_large_hole1.stl The bracket_large_holder_rotate.stl Attaches to the 1/4 dowels and the Ball_with_large_hole1.stl. The Ball_no_hole_1.stl is to be used to maintain the proper distance between the two tracks or tubes. You can use a marble or a 3/4inch ball bearing. Just check that it will pass over the holders for the tubing. The Ball_with_large_hole_10mm_high.stl is to be used if you need to join two ends of tubing. Instructions I will add more information as I make my first one. This is the first video. http://www.youtube.com/watch?v=AyrjrLWlm9g I am planning on building a spiral loader and attaching it to a stepper. I think you would be able to make loops with this setup but my prints are not precise enough to hold with that much force put on them. I had to make the holes larger than necessary just to make the pieces fit. Let me know if something needs to be re-sized.