Folding and cutting spheres. Awesome symmetry balls include card constructions by George Hart, which you can learn about here (and others are on ... ): ... and the Gardner Ball by Oskar van Deventer with design by Scott
by ASMR Destiny
by 2rdawson
by mahumtariq
by Creative Rachy
by marinella marifu6a
by pastella28
by Unique Crafts Ideas