Lots 'o corners
thingiverse
This model is designed to test your printers' ability to print sharp corners. It can be used to help diagnose the cause(s) of ringing, blobbing, wall gaps, and other extrusion-related problems.
Download Model from thingiverse
With this file you will be able to print Lots 'o corners 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 Lots 'o corners.