Challenge No. I
grabcad
As an answer to the challenge, I propose a lapel pin design that resembles the shape of Earth. Wishing you success!
Download Model from grabcad
With this file you will be able to print Challenge No. I 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 Challenge No. I.