Companion Cubes make good tchotchkes for presentations:
Scaling the cubes to about 15 mm on a side puts a 6×6 array neatly on the build plate. Takes nigh onto four hours to print all 36 of them at 30 mm/s print and 100 mm/s move… a bit over 6 minutes each.
The print quality is Good Enough. The bottom surface of the front cubes faces forward and reflects the scale markings: