That wasn ' t marketing , but kay , guess I need to break this down for you . It ' s OK , I ' ll go slowly . Genuine components the i 3 MK 2 uses reliable parts sourced from reputable companies . For instance , for its hotend it uses the E 3 Dv 6 by E 3 D , where others may use a clone , and for its mainboard it uses a RAMBo by Ultimachine , where others may just source any old Mega 2560 board and call it a day . As for the team , Josef Prusa ' s framework literally forms the basis for the majority of home 3 D printers on the market . His continued research has advanced the market by leaps and bounds in the last decade , and the rest of his team is also quite talented . Cutting edged , custom sourced components the i 3 MK 2 uses motors with the leadscrews integrated into their axles no couplers to produce resonance , a heatbed with varied trace widths reduced dead zones and variance , and a custom sized inductive probe that ' s lighter and more sensitive than typical ones . These are made exclusively for Josef Prusa ' s company . At the same time , despite integrating brand new features , unlike many other bleeding edge systems , the MK 2 also is known for its reliability and usefulness as a workhorse , due to its rock stable base . There , engineer . That good enough for you ?