Prototype: Coyotech Hopper Mk 2

I discovered that the problem I was having was that Sketchup's circles' diameters are less than or equal to what you entered. So, I calculated the size so that the smallest diameter would be at least .84".
Hopper for nerf blasters.
All source files included.
Changelog:
Mk 2: Sights removed, dart ramp included.
Mk 1: Original, would not print correctly, wrong sizing.