Astrid
grabcad
In my freshman year geometry class, we learned how to construct an Astrid. I translated the project into Autodesk Inventor for use in engraving.
Download Model from grabcad
With this file you will be able to print Astrid 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 Astrid.