About this 3D model
Note: At this small scale my .40 nozzle couldnt make all the fine paths at Mini size. Expand to get what you see below. For this look start with White then switch to BLACK. 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!