Z-HOP Torture Test
thingiverse
It will expose your Z-axis problems (make sure you don't have extrusion problems). Designed for 0.3 and 0.4mm nozzles with printing line widths the same as nozzle size. I made this model for the video:
Download Model from thingiverse
With this file you will be able to print Z-HOP Torture 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 Z-HOP Torture Test .