Linear Bearing Slide for FTC

A cascading linear slide prototype for use in FTC teams and hobbyists. Can be made for under $30 and provides a great platform to learn and test linear slide ideas before implementing them on a competition robot. It is rigged with a bi-directional belt driven slide mechanism, giving control in both extension and retraction, regardless of orientation.

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For rigging help, I made an explanation [here](https://youtu.be/Qyfs6OcRtGQ).

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Lift can be expanded to as many stages as desired. Parts labeled **1x** should be printed once for each stage, and those labeled **2x** printed twice for each stage. The "Full Single Stage" file combines everything needed to create a stage, so can be printed once for each stage you decide to use. I recommend starting with 3 stages, or if you have a particular height the formula for determining number of stages as a function of the displacement you'd like goes as follows (units are in mm, and round up final answer):

(total displacement) / (