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Posts Tagged ‘taylor goodman’

Great Chance to See MakerBot Replicators in Los Angeles!

If you are in the Greater Los Angeles Area, stop by the Affordable Art Fair this weekend to catch Keith and myself as we introduce the brand new MakerBot Replicator to the West Coast!1 The remaining hours are today until 8pm and tomorrow (Sunday) from 11am until 6pm.

We have been running “Keith It!”2 versions of 3D scans of people like Laurie Anderson, Bre Pettis, Keith OzarPhill Niblock, and others, as well as a few other favorites such as a (newly revised v18!) Barrel of Octopi, giant chess pieces, cows, work by Micah Ganske, and others.

We have been visiting with AAF neighbors and presenters such as ArtStar.com, the filmmaker Morgan Spurlock, and the LA-based Toy Art Gallery. We are even making 3D printed versions of vinyl art toys by awesome Art Toy heroes Luke Chueh and Dave Bondi for the Toy Art Gallery staff, work the gallery hasn’t yet had the opportunity to produce.

Quite a few MakerBot Operators such as Miles Lightwood (TeamTeamUSA), Theron Trowbridge and the crew at CRASHspace, and MakerBot’s Taylor Goodman (based in LA) have spent a lot of time with us at the booth, sharing things for us to print and generally introducing us to the wonderful design and DIY community here. We are hoping that Cliff who designed Chess Set I (that we are making giant) and other Thingiverse superstars will stop in also.

At night, we have been running all over town, introducing the machine to CRASHspace, UCLA’s engineering students, galleries and museums, and other hackerspaces. We have also been printing “Keith it!” busts of a cleaned up Beethoven model at night and placing them on the Thomas Organ in the lobby of The Standard – Downtown. To date, these custom 3D printed sculptures have been either stolen or disposed of by the hotel staff within a couple of hours of appearing. But we have photos to document. ;-)

Check out our photo gallery below!

Read the rest of this entry »

  1. Wanna visit for free? drop a request to griffin at makerbot dot com by 11am on Sunday and he’ll see about adding you to the list with a comp’d ticket! []
  2. The software engineers working on revisions of ReplicatorG for our new machines created a button called “Keith It” to created maximum-sized objects to suit the new three-times-Thing-O-Matic build volume by Keith’s request. This name will only persist if you request it… ;-) []
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Interview with Kyle McDonald, creator of ThreePhase

Kyle McDonald, structured light scanning researcher and Taylor Goodman, creator of the Makerbot 3D Scanner v1.0 Kit

Kyle McDonald, structured light scanning researcher and Taylor Goodman, creator of the Makerbot 3D Scanner v1.0 Kit

Taylor Goodman recently interviewed Kyle McDonald, the creator of ThreePhase1 ThreePhase is an open source 3D scanning program which creates a point cloud using a method of scanning involving a projector and camera, a system termed “structured light.”

Taylor Goodman (TG): What inspired you to write the three phase decoder? What did you want yourself or others to use it for?

Kyle McDonald (KM): Last year I heard about a choreographer who was using the DAVID line laser scanner with some Lego motors for creating 3D stop motion animations. Every scan took about one minute, so it was a painstaking process. The idea of 3D stop motion had me interested, but one minute per frame seemed way too long!
Iwrote the three phase decoder because I wanted to make something that would allow more people to experiment with 3D stop motion using resources already available to them.

TG: How did you write it, i.e. how and where did you learn everything about structured light 3D scanning? How long did it take?

KM: When I started I didn’t have a laser, so I thought I’d use a projector instead. This helped me realize that the fastest scanning technique would record information about every pixel simultaneously rather than one line per frame. I created a scanner based on binary subdivision, which takes around 8-10 frames, one or two orders of magnitude faster than laser scanning.
I thought that was the best you could do, but then I discovered “structured light”: an umbrella term for the kind of projector-camera 3D scanning system I was working with. I learned that people had been doing this for decades, and they even had some techniques for using fewer frames to 3D scan motion in real time (like three phase scanning).

While the initial subdivision scanner took a few days from idea to demo, the three phase scanner took a few weeks. It wouldn’t have happened without some code by Alex Evans from Media Molecule (ported to Processing by Florian Jennett), and some great research papers from Song Zhang at Iowa State University (who worked on the technology for Radiohead’s “House of Cards” music video).

After that initial development, it’s been over a year of brainstorming with people, reading papers, and completely rewriting the code multiple times. And there’s still a lot of work to do.

TG: Why did you make it open source, completely free to anyone interested?

KM: I think we need as many people as possible doing what they love. Open source is one way to get people the tools they need when they wouldn’t otherwise have access.

I’d also like to help overcome the novelty associated with new technologies. More people using 3D scanning means more diverse perspectives on what can be done with the technology.

TG: Any further/deeper applications for ThreePhase?

KM: One advantage of a 3D printer is that you can resize while you replicate. I’d love to see some very large things scanned and made very small, or vice versa.

There is a also malleability to 3D scanned data that isn’t available in the physical world. It’d be nice to have some objects that are combinations of averages of multiple items. Maybe a Katamari ball made from real household objects?

TG: What is the future of structured light 3D scanning? What do you wish to see happen next with it?

KM: While the three phase technique comes primarily from academic papers and is relatively unencumbered by patents, I have an idea for a completely open source scanning technique that would allow a more flexible trade off between accuracy and speed. It could be adapted to high resolution still scans or lower resolution motion scans.

TG: Can ThreePhase be improved?  Why and how?

KM: The Processing three phase decoder is meant more as a demo, and lacks a lot of features for automated decoding. There is a more robust version built with with Open Frameworks where the majority of my work is focused.

But for both apps I’d really like to get some people involved who have a stronger mathematics and computer vision background. The decoding process is currently very naive and doesn’t account for the various parameters inherent to the projector and camera.

TG: Did you ever imagine this would be a project worked on at Makerbot or another 3D printing company?

KM: I’m regularly surprised by the ways this work is used. So, in a way, this makes perfect sense.

TG: What is your next big project?

KM: I’ve been looking into projection mapping, or using a projector to augment a scene. This is another technique that is currently thriving on its novelty, so I’m working on a toolkit that makes it easier to scan and projection map arbitrary scenes and objects. There’s also a specific interactive environment I’d like to create with this technique that plays with our understanding of light sources.

For updates, see my website http://kylemcdonald.net or follow me @kcimc

  1. The list of projects on Kyle’s site is truly amazing, you should really check it out. []
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New video! How to get started using your Makerbot 3D Scanner

MakerBot’s summer engineer and the creator of the MakerBot 3D Scanner, Taylor Goodman, has put together a video explaining how to download, setup, and install all the software necessary to get your Makerbot 3D Scanner running.  Taylor has also updated the MakerBot wiki to include this information for those of you who are into the whole “reading” thing.

Learn!  Scan!  Duplicate!

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