After several request, here is one of the first prints the Eventorbot did, the flexible snake. Video is actual speed and not sped up.
Eventorbot! Open source 3D printer. Simple with less materials. Frame is made of a single 4' long, 2 1/2" square tube (16 gauge/1.5mm/.0598" thick, cost: less then $20.00). With this design there is less plastic parts, stronger structure, all wires are hidden, and a more appealing/finish look.
The unit is supposed to resemble a robotic arm with hydraulic tubes. It was designed for prints to be less affected by vibrations. With the 1 solid frame, any vibrations of any axis will cause the other axis to move with it. For example: If the X axis causes a slight vibration/1mm movement to the right, the Z and Y axis will also move that 1mm to the right. This will result in a better print as everything will remain squared.
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Links to download plans:
For those who do not have access to a 3D printer. You can order the plastic parts and frame at: http://www.kickstarter.com/projects/1874396831/eventorbot-open-source-3d-printer