Coat of Arms Shield Blank

This is related to my work as a world history teacher; one of my favorite assignments is for my students to create their own coat of arms. This year, I'm looking forward to integrating 3D printing into this assignment as a bonus option for students who want to design their Coat of Arms (CoA) for printing!

The complete model that I designed (last picture) includes my Makercoin (1st Quarter), UNC logo (2nd Quarter), emblem of Berlin (3rd Quarter), and the State of Georgia (4th Quarter). I desig