This is built to work with the Nipper Cutter Holder (remix) by bulbasaur0, and the spatula slot was made for the ones that come with Creality printers. It uses an m3 bolt to keep it from sliding around. 

To print 

0.2mm layer height 

50mm infill speed 

25mm wall speed 

20% gyroid infill 

3 walls 

With organic support everywhere