Rival Triwheel

A unique 3 flywheeled system designed to control the rival HIR's (high-impact round) direction via the magnus effect.
More info [here](https://thwacknerfmods.blogspot.com/2019/05/triwheel-rival-tested.html)

##**Update:** Added a cage option for those without metal mounting brackets
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*Important:* this cage is a proof-of-concept peice, and will need refining for actual usage in projects.