Dual extrusion calibration
thingiverse
please see the updated version of this http://www.thingiverse.com/thing:1009171 If you want to see more and how I create prints and 3D designs like this check out my YouTube channel.https://www.youtube.com/channel/UCSHUc93NXGwBacoIDDqPU2w
Download Model from thingiverse
With this file you will be able to print Dual extrusion calibration 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 Dual extrusion calibration.