Funny Sign - "It Takes 43 Muscles To Frown, And It Takes 17 To Smile..." 3D Printable Model

Funny Sign - "It Takes 43 Muscles To Frown, And It Takes 17 To Smile..." is a 3D printable model, which we searched from web for you, so you can easily print on your own 3D printer or use print on demand 3d printing service. More 3D printer models from Spudd78 are here.