7mm to 12mm Hex Adapter

I originally ordered some 1/18th scale Teton tires for my Helion Animus and it uses a tiny 7mm hex. So i designed this hex adapter. Now I'm using it with my Dromida DT4.18. 

Print Settings

Printer: Monoprice MakerSelect

Rafts: No

Supports: No

Resolution: 0.2mm

Infill: 50%