Drawing robot, lego style

Here’s a pretty cool project done with the Lego NXT system. It’s a robot that will draw you a picture. Yes, we know it could be done cnc style, but this is much more fun. You load a picture into the software, adjust the levels so the software can create the vector version more easily, then let it rip. Now they need to add face recognition.


  1. cyanide says:

    oh god the robot overlords have learned how to create art

  2. hpux735 says:

    This is freaking amazing. Good work, love that you made an arm rather than a gantry (which is a little uninspired)!

  3. Clay says:

    Cool, reminds me of seeing a GE Fanuc robot about 10 feet high that weighed a few tons drawing a picture of it’s self with a sharpie. The engineers where I worked set it up for a demo.

  4. #yls# says:

    Neat stuff, it’s a pretty well done system, espically for the amount of detail it can perform.

    It’s easy to look at the NXT platform as see it as a childs toy but it is capable of doing some amazing things.

    Which firmware was used to do it though, Lego’s (doubt it) or maybe like lejos?

  5. grovenstien says:

    Wow technic lego has come on a looong way since i messed around with the pnumatic digger!

  6. liebesiech says:

    love it!

  7. steaky says:

    shame it uses MATLAB and not a free alternative.
    saying that, whoot for matlab – its an awesome powerful bit of kit.
    awesome project

  8. Phimp says:

    Now just write a program that takes a completely random flickr photo with high contrast, and have it draw it out, then move the piece of paper off to the side with a stack of paper under it so a few minutes later, it can start the next photo.
    Would be kinda cool (and creepy) so come back home from work and be able to look through 10 or 20 pictures that your legos (re)created. lol

  9. dave says:

    for a drawing robot, 1774 style, see the http://en.wikipedia.org/wiki/jaquet-droz_automata (cf http://www.youtube.com/watch?v=pd_21_pfsro at about 0:34 for the “artist”)

  10. Like most Architects, I blame lego for starting my fascination with building. This is payback, I want an army of these lego draftsmen in my studio.

  11. some cool person says:

    i like the part how it draws stuff.

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