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Category Archives: 3D Printing

Cold Spray is a 3D printing technique using nano metal particles. Their high velocity creates adiabatic shear instability when it meets the substrate, i.e. it turns into a liquid solid and welds to the surface.

Slow Mo Guys – GE (by General Electric)

ColdSpray-SlowMoGuys-GE-YouTube.

Pop-up ‘origami’ microrobotic ‘Monolithic Bee’ is amazing. Uses laser-cut 18 layer laminate of varying materials to create the body, actuators and assembly scaffold that cunningly folds the dragonfly-like robot into shape with the use of tiny printed hinges.

(from 2ne1 via Pop-up dragonfly robot could be the future of business cards – Hack a Day)

Using self-assembly principles to enable 3D printers to create structures that assemble themselves.

Skylar Tibbits: The emergence of “4D printing” – YouTube.

First 3-D-Printed Metal Gun Shows Tech Maturity – IEEE Spectrum.

Direct Metal Laser Sintering (DMLS) (video description) used to print the bulk of this gun and its parts in steel.

The printer required to do this costs $10000 today.

Powered by compressed air; print your own from Thingverse.

Hacked Gadgets – DIY Tech….

3D printer homemade from PVC piping, pipe mounts and scanner drive motors. Video shows a version with ‘manual’ Z-axis control; latest version uses CD drive for Z-axis. Software is free LinuxCNC.

Unorthodox Home-made CNC Machine.

 

Very clever alternative approach to cutting the costs of 3D printing using photosensitive resin and very few moving parts,

The Peachy Printer – The First $100 3D Printer & Scanner! by Rinnovated Design — Kickstarter.

Incredible 10μm resolution 3D scanning of paintings. Skip to 3:20 to see the incredible sculptural qualities of Van Gogh’s Sunflowers. Technique uses two 40 megapixel DSLRs and a fringe projector (forming a structured-light 3D scanner) to capture the topological map at a resolution of 50μm in the plane of the image and a depth of 9.2μm. Not clear on how they were printed.

(via HackADay – Priceless Paintings – Scanned and Printed in 3D).

 

 

MakiBox

Is the MakiBOX the cheapest 3D printer to date?

$200 MakiBOX 3D Printer – Hacked Gadgets – DIY Tech Blog.

 

3D-printed pump keeps damaged hearts beating in time – health – 11 September 2013 – New Scientist.