eg
thingiverse
See yourself in the 'Thingiviewer' and witness your 3D likeness come alive! Alternatively, download your 3D image as an .stl file. To view it on your computer, obtain a complimentary open-source .stl viewer by searching for "free stl viewer" online.
Download Model from thingiverse
With this file you will be able to print eg 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 eg.