3D printing starts by designing objects on a computer and then printing them with thermoplastics (and in this case, lasers) in super-thin layers to create intricate finished objects.
Inside the oven a 30cm-deep basin of powder is heated to just below its melting point; then a laser heats specific points over a layer just 0.1mm deep, melting and fusing the powder. Repeat that 3,000 times – it runs overnight – and you end up with a solid object – glasses, a doll, an architect’s model – surrounded by powder. Wash the powder off, and you have the finished product, with detail as fine as you want. The spectacles’ hinges are held together by 0.5mm links, each just five layers of plastic.
Having got its start in making prototypes for aerospace and automotive companies, and latterly for surgeons looking to make preci
Have an amazing project to share? Join the SHOW-AND-TELL every Wednesday night at 7:30pm ET on Google+ Hangouts.
Join us every Wednesday night at 8pm ET for Ask an Engineer!
Learn resistor values with Mho’s Resistance or get the best electronics calculator for engineers “Circuit Playground” – Adafruit’s Apps!
Maker Business — Profile on iFixit (repair/takedowns and more)
Wearables — This one’s for all the Cosplayers out there
Electronics — Capacitor ESR
Sorry, the comment form is closed at this time.