STL files for 3D printing are oriented to print "as-is" on FDM style machines. Parts are designed to 3D print without any support material. Original design source may be downloaded using the links below.
Pico Lego Plate
Pico Case small
No supports are required. Slice with setting for PLA material.
The parts were sliced using CURA using the slice settings below.
The grid effects are created by swapping the filament colors from white to black. The script is located under:
Extensions > Post Processing > Modify G-Code
Add script, add the Filament Change Script
The color change should happen on layer 6