Dual nozzle modified for the Vulcanus MAX 30 & 40

Update 11/5/2017
I am not working on this printer any more.So no more updates will follow.

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After I see Yeitso's design, I decided to create one for Vulcanus Max. In Vulcanus MAX 10 mm rods are used (instead of 8 mm) and the bearings are 5 mm longer and 5 mm wider than 8 mm ones.

I designed several versions.

1. Three bearings with full cover
2. Four bearings with full cover
3. Three bearings without cover
4. Four bearings without cover

1 and 2 are tight so y