Zero G Calibration cube

We started modding the Ender 5, It became coreXY! We've named it "Zero G".

The Ender 5 Zero G is currently in beta, if you'd like to see the build, have any questions or would like to participate please visit our discord at https://discord.gg/gzJP2s8

The Zero G Calibration cube has been created include our logo and test the Zero G,

X and Y sides are marked as well as the logo, these should be 3mm deep, as well as a chamfered hole on the top and bottom, 1.80mm wide to test fit a piece of 1.75mm filament It should be a bit tight.