Optical Illusion Spot the Black Dots

Easy to Print

110.63mm x 200mm, 2mm thick. Prints in around 3hrs on my Geeetech A10T.

For multi extruder printer, split into parts then select the parts for the second colour (first part in normally the base colour layer, all other parts are normally the top colour layer)

For single extruder printer, Slice file then select layer 6 (1.2mm height), then Right click on the + icon then select add custom G-Code, M25 (Pause SD Print) (Marlin2 Firmware). Then re-slice file.