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6/6/2012

TWOMBLY / WITTENMYER BOT 2.0

This drawing robot uses a Technic shock absorber (731c05) to dampen the rotating marks to the paper and keep the nxt motor on angle. The programming is incredibly simple, the robot moves one wheel or the other a minscule amount and then makes a light or hard mark. The robot generally moves in a line across the paper despite the random programming due to the low profile wheels. By driving the robot with two PF M motors and conversion cables, I could conserve the battery of the NXT brick. This robot design is only capable of making marks consistently from one angle. Co-named after my friend Jared Wittenmyer and venerable shaky handed artist Cy Twombly.

Here is a good resource about Cy Twombly from Artsy.

6/6/2012

WIND-UP CATAPULT

Wind it up once you can fire armored minifigs at fiances and house pets. This little guy is a 40/16 geared single lever catapult with a stop at about 90 degrees. The poor little wind up motor could not take being geared any higher than this but it was enough to chuck a minifig a yard. I made the music with a Pico Paso which my friend gave to me for my birthday. I'm 29, fuck.

6/1/2012

3D CAMERA (2X LUMIX DMC-FH20) WITH ACTUATING NXT TRIPOD

I made a table top 3D camera rig from Technic and NXT parts. The two Lumix 14Mp cameras fit perfectly into a studless system which does not prevent the battery or SD card from being removed. The triple actuator tripod design is incomplete, but provides 120 degrees of X angle rotation. My previous 3D rigs have oriented the cameras vertically, so you get a tall picture. Steroscopic photography cannot be flipped from landscape to profile in mid shoot. This setup gave the largest picture of any of my rigs after trimming the X offset of the two cameras in Stereoscopic Photo Maker. When you can't get strangers to take a decent picture of you, get out the Lego. Photos at Phereo.com/robogod if you've got a sterescopic setup.

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