Sack
thingiverse
I whipped this up just to try out some of the new sculpting tools in Blender 2.90 alpha, and thought I might as well put it up here for anyone who wants a sack.
Download Model from thingiverse
With this file you will be able to print Sack 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 Sack.