Take a sheet of copy paper and grip it flat in your hands. Next, gently push down evenly on both sides to form a smooth curve. Now, twist your left thumb up and your right thumb down. Ta-da! You have ...

DEL MARDEL MAR — Undoubtedly, the most-repeated question that rock sphere-making expert Paul Williams hears as he demonstrates his craft at the San Diego County Fair is, “How long does does it take to ...

Alright, everyone has 30 seconds to get all the jokes out of their system before we proceed with a look at this 3D printed wooden ball polisher. Ready? Theoretically, making a sphere out of any ...

Ok, say I have many pentagons. <BR><BR>I want to build an orb or sphere or whatever a 3 dimensional ball out of pentagons.<BR><BR>Is there a predetermined limit to the # of pentagon shaped pieces I ...