MakeBeam linear slide bearing cage

Bearing cage to build low cost ball bearing linear slide out of [MakerBeam](https://www.makerbeam.com/). Cage just holds the balls in position, all load is carried by beams and balls.

3/16" diameter ball bearings (~4.75mm), [Amazon Link](https://www.amazon.com/gp/product/B015RL8T90/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1)

Video on [YouTube](https://www.youtube.com/watch?v=bvEdqXZUrtU)