World Maker Faire 2013: Liquid Metal 3D Printing

Scott Vader and his son Zachary showed a early prototype model of their Liquid Metal Jet Printer.

Although the printer was non-functional at Maker Faire, Vader, with over 30 years experience in manufacturing and engineering speaks with a lot of confidence and is sure he will be able to bring the product to market in the near future.

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World Maker Faire 2013: Huge 3D Printed Dragon

This supersized dragon model was printed on one of the early Makerbot printers. In order to accomplish the task, it was broken down into over 100 separate pieces that were then glued together.

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World Maker Faire 2013: Innovative New 3D Printer Design

Nicholas Seward at ConceptForge gave us a demonstration of "WALLY", an innovative new 3D RepRap design at Maker Faire.

WALLY uses a SCARA/pantograph approach that totally eliminates linear rails, appears to be more compact, and is able to print parts for a next generation copy/clone that is 20% larger than itself. According to Seward the process can be repeated with each generation being as much as 20% larger than it's predecessor.

The part print quality was a bit rough, but Seward explained that the prototype WALLY on display had only been running for 3 days. He expects the print quality to match other 3D printer designs on the market after he has a few weeks for fine-tuning.

WALLY features a 3/8" water jet cut basalt bed with a laser cut registration grid; Anubis hotend equipped with a FEP Bowden tube (similar to Tantillus) that minimizes the print head mass resulting in smoother prints; linear motion drive utilizing 100lb test braided fishing line (another design approach similar to Tantillus); and is wall mountable.

The print envelope is 200 mm in diameter by 150 mm tall. The printer is designed to use 1.75mm PLA filament, though it could probably be modified for use with other filament sizes or types.

Seward estimates that WALLY will cost USD$450 for a "print your own" version and plans to offer a full kit priced around USD$600.

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World Maker Faire 2013: 3D Printed “Pot Head”

It's surprising how rapidly the capability and capacity of affordable 3D printers has increased.

There were several exhibitors at Maker Faire in NYC last week showing off printers with print envelopes large enough to print really big objects. Of course the print times can be extremely long, and there is also the issue of warping with large parts. Still, the results were very impressive and encouraging.

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Prototyping A Camera Mount

130414 Helmet Camera Mount 2

3D printing makes it incredibly easy to crank out new parts on a whim.

For example, I'm about to make the trek to California for RoboGames and want to use a Contour ROAM2 HD action camera to capture some of the action - especially ComBots with the massive steel robots trying to inflict mortal damage on each other. I have the camera and have access to all areas of the venue. What I don't have is three hands. I always carry my Canon 5D Mark II for the still images and some video, and I have a light Nikon bridge camera for competition videos. The challenge was to find some way to operate the Contour that was basically hands-free.

After considering, and disqualifying, several approaches, I finally decided to use my bicycle helmet. I tried the stock Contour helmet mounts, but didn't like the way they felt - primarily because the camera sticks off to one side and is heavy enough that it is noticeable, and irritating.

130414 Helmet Camera Mount 3

It only took a few minutes to take some measurements of the top of my helmet and design a short plug to slip inside one of the air vents. Printing a test part to check the fit took a bit longer, of course.

130414 Helmet Camera Mount

Surprisingly enough, the test part fit perfectly without any modifications. The next step is to add the top flange for the camera. The mount is a snug fit, so I plan on securing it with some tape or velcro because I want it to be easily removable.

We'll see how it works this coming weekend when it is put into real use at RoboGames 2013.

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Using 3D Printing for Practical Designs

IPhone Lens 3D printing

Design World has an online webinar scheduled for next Tuesday, December 4th, featuring Chong Pak of Olloclip explaining how they used 3D printing technology to design and manufacture their 3-in-one lens system for the iPhone camera. According to the webinar registration webpage:

"Olloclip has created the ultimate 3-in-one lens system for your iPhone that fits in your pocket and takes your picture taking ability to the next level. Product design in the most recent years has been impacted tremendously by 3D printing and Olloclip’s camera lenses are no different. Whether it’s wide angle, fish eye or a macro picture view, this development in camera phone technology has been made possible by Objet 3D Printing. Please join Chong Pak of Olloclip and Objet Geometries as they discuss product design within the iPhone era and how 3D printing can help engineers design, create and ultimately bring products to life faster.

Attend this webinar to learn about:
-Olloclip and their fast hitting iPhone accessory
-3D printing and the design process
-Objet’s multi-platform capabilities"

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