CORE
thingiverse
Based on CORE, modify programming code: https://github.com/chenmaker/3Dprinter/blob/master/CORE/CORE_marlin.zip
Download Model from thingiverse
With this file you will be able to print CORE 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 CORE.