Air Hockey Puck for 48" Table aka the floating quarter

A 55mm diameter puck for small air hockey tables.

I bought a small 48" air hockey table on clearance for $10 and wasn't about to spend $6-8 for extra pucks. I knew one day the one puck that came with it would go missing, so I decided to print a spare or two. The other designs I found printed well, but didn't glide that well - some not at all. I took out the micrometer and tried copying the design that came with the table, and well, those didn't float well either. After several tries I found