About this 3D model
For this look start with White then switch to Brown. Quick Guide to changing filament~ Have some paper to push away extruded filament. When the MK3 jogs after a change it will spit out another inch, so I follow it with paper until it starts to move back down. Doing this has given great, repeatable results. Use a tool like this to help changes→ https://www.printables.com/model/329171-filament-change-tool Have fun!