Reuleaux Triangle Motion Converter

For starts this is my first upload so any feedback is appreciated (as long as it is constructive). I am still in High School and I am trying to familiarize myself to the fullest with 3D Modeling. I hope to eventually get a job in Modeling and Drafting for prototyping and such.

I was stumbling around online for ideas to draft up and eventually print on schools Makerbot. I eventually tried to make a Rack and Pinion, but I never uploaded nor printed it. Then I stumbled upon the reuleaux tria