Chess pieces

The base diameters are:
King + Queen - 30mm
Bishop + Knight - 28mm
Rook - 26mm
Pawn - 24mm

Knight and King require supports. The king with custom supports worked with 0,16 mm layers so I recommend Trying to print just the top to see if the supports can be removed with your current settings, or using supports in your slicer. There is also a .step file so you can model your own custom supports, be careful not to snap off the cross when removing them