Dot Size Calibration Test
thingiverse
Based on this, you'll know what the minimum sized circle you can print is. Maybe you want to make a constellation, or just dot your I's, but who knows what size that is without first checking. A test to see what size dots you can reasonably print. Goes from 0.2mm to 4.0mm in steps of 0.2.
Download Model from thingiverse
With this file you will be able to print Dot Size Calibration Test with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Dot Size Calibration Test.