Details Every single part has changed from the Burly. Easier to build. More rigid (faster, more accurate). You are able to use the Burly Tool Mounts if you want to use an older mount as well. You only need to swap to the Burly toolmount and nut traps. Links https://docs.v1e.com/mpcnc/calculator/ https://www.prusaprinters.org/prints/35181-mpcnc-primo-j-254mm https://www.thingiverse.com/thing:4493589 Fun stuff