Hackaday

3D Printing A Nifty Sphere Without Supports

[DaveMakesStuff] demonstrates a great technique for 3D printing a sphere; a troublesome shape for filament-based printers to handle. As a bonus, it uses a minimum of filament. His ideas can be applied ...
Hackaday

Have A Ball With This 3D Printed Sphere-Making Machine

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 ...
Ars Technica

Making a 3 dimensional "sphere" from pentagon shaped pieces - math

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 ...
C&EN

Modern origami method creates glass shapes by folding

INDIANAPOLIS, March 28, 2023 — The ancient art of origami is well known for transforming sheets of paper and other foldable materials into complex 3D shapes. But now, chemical engineers have extended ...