Everything you can assume with the Shapeoko four is more powerful V-wheels, expanding toughness and rigidity within the earlier model, new robust V3 electronics which are far more proof against electromagnetic interference and static discharge, a thicker router mount, and fully supported Y extrusions.  The actual pride of the router https://laser-engraving-machine80001.newsbloger.com/27068292/the-2-minute-rule-for-injection-molding-machine