First, I designed the thing in Sketchup and exported to an STL file. Here it is in the 3D Builder app that comes with Windows.
The actual print took almost six hours, but resulted in exactly what I wanted...
The green deck in the pictures is a 30 card deck. I think I'd have to make the posts a little taller to accommodate a 60 card deck. That'll be Mk3. Mk1 was a failure. The above is Mk2.