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As a LDraw parts author, I am always interested to find new ways to model LEGO
parts. Many parts have a clear geometric structure and are relatively easy to
create, but parts like minifig animals or wigs have no defined geometric shape
and are very difficult to model. I toyed for a while with the idea of a 3D
scanner... The solution came with 2008 LEGO Technic sets that include a new
part, the linear actuator. Coupled with the high resolution of NXT encoder, I
had all the elements to build a 3D scanner, precise enough for my purpose.
You’ll find here photos, videos,
LDraw files and a little tutorial on the way to turn the scans into shapes
suitable for LDraw parts creation.
Enjoy!
Philo
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Message has 7 Replies:
 | | Re: NXT based 3D scanner
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| (...) Fantastic work Philo! I'm so envious. I work daily with 3D coordinate measuring machines (CMM) of all kinds ((URL) and my secret dream for many years has been to build one with LEGO. I've never managed to construct a reliable probe, though - (...) (15 years ago, 14-Mar-09, to lugnet.cad, lugnet.robotics)
| | | Re: NXT based 3D scanner
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| Philo! What a great tool to help your parts authoring. Not only is this creation fantastic, rare and unique, but some of your technical descriptions leave me reaching for my coffee and asprin! Amazing! I love the part of the video where you pan over (...) (15 years ago, 22-Mar-09, to lugnet.cad, lugnet.robotics)
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