Inspired by the Epic Universe roller-coaster, the circular button features two stylized comets flying through blue space. It comes on a blue and gold UOAP-branded card featuring celestial designs.

Abernethy's latest creation is a working 3D-printed circular saw that fits in a briefcase ... While you can turn the saw on by pressing a teeny-tiny button on its handle, the saw doesn't actually ...

When mathematically inspired maker [Henry Segerman] conspired with circus performer and acrobat [Marcus Paoletti] to advance the craft of acrobatics in round metal ... off as a 3D printed ...