[[https://www.alfawise.com/collections/3d-printers/products/alfawise-u20-large-scale-2-8-inch-touch-screen-diy-3d-printer|Construteur]]\\
[[https://www.dropbox.com/sh/y6vyenl23ki70lk/AAD5CKJrbmI1drgqfMy4kMNra?dl=0|Firmware]]