place this test on your printer and scale it to a size you like. E.g. 50%

• 100%:  
  • lenght: 100mm
  • thickness: 5mm 
  • height:  20mm
• 75%:
  • lenght: 75mm
  • thickness: 
  • height: 15mm
• 50%: (16min; 3g
  • length: 50mm
  • thickness: 2.5mm
  • height: 10mm

Print it with your normal settings as you would print a normal part.

1mm Version:

The 1mm version can be printed without supports and without special settings enabled.

2mm Version:

With the 2mm version, you have to enable the experimental setting make overhangs printable in cura to get it done without supports.