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Description by the Robjects designer, Jaidyn Edwards:

Robjects simply mean 'Robotics objects'. You can 3D print various connectors and blocks that interlock with each other to make bigger and more complex designs than what hot glue and foam board is capable of.

Prototyping robot designs can often be frustrating. Whilst I do love hot glue and double sided foam tape, they can leave a nasty residue on your parts.
To solve this I wanted to come up with a system that allowed me to turn my robotics components (Servos, Arduino etc.) into a modular system that would allow me to quickly prototype designs, but also make those designs permanent.

Robjects is what I came up with.
Through a series of male and female dovetails your parts will simply slide together. This way you can layout your whole robot design, be it a 6WD beast, or a 2WD obstacle avoider. Once you are happy with your design M3 nuts can be places in the male dovetail nut traps. M3X20 socket head screws can then go through the female dovetail into the male dovetails nut trap.
Robjects are still very much a work in progress.

There are a lot more blocks that need to be modelled and I am still considering different connector options. I am putting them up on Thingiverse now because I need your help. I've only just made a 3D printer of my own and I don't know how the system will work on others, my tolerances may be wrong, the numbers could be way out of line. So far all my pieces fit perfectly and the set screws hold them together like a rock.

http://www.duino-robotics.com/

http://www.duino-robotics.com/robjects.html

Robjects on Thingiverse: http://www.thingiverse.com/thing:238755

Richard Gain recorded a video to show tricky process of removing the support material from complex 3d printed object which also shows the tools needed. The object is 3d printed chassis for micro battle robot.





The chassis went into this micro fight robot

Very detailed information with full build instructions and all the files:

http://www.instructables.com/id/Geoweaver-Walking-3D-Printing-Hexapod/?ALLSTEPS

From Instructables description:

Geoweaver is a student designed robot created in the Creative Architecture Machines advanced options studio at the California College of the Arts (CCA) in San Francisco, California, taught by Jason Kelly Johnson of Future Cities Lab and Michael Shiloh. The design is based on a 12-servo hexapod with a glue gun extruder attached, and is the culmination of about 60 days of research and prototyping. Although the robot's official name is Geoweaver, it also goes by many aliases: Servo Killer, Eater of Shields, Melter of Wires, and Destroyer of Regulators, among many others. It is a very difficult and delicate machine, and is not a project to be tackled for the faint of heart.
But if you do take it upon yourself to accept it's challenges, it's rewards are great: it is a six-legged, walking 3D printer. The center mechanism uses two servos to control the pendulum-like extruder head, allowing it to cover a basic XY plane (though curved to the surface of a sphere, see video above), and one servo for the extrusion gear that forces the glue-sticks through the "print head." All of this can be controlled through the software Rhino 5, with the plug-ins Grasshopper and Firefly

it was designed and made by Student Team: Jia Wu, Jeffrey M. Maeshiro, Mary H. Sek at CCA - California College of the Arts Architecture Advanced Options Studio, Prof. Jason Kelly Johnson with Michael Shiloh

Update:

As several commentators on G+ and Reddit noted, they are like puppies pooping ... ;-)

Christmas is coming you dusted off your xmas tree and decorated it: everybody try to make it different, buying new decorations and balls of different colors. Well, if you are looking for something original, think of making your personalized balls with drawings and writings at will.
Here comes this machine: a printer, or better to say a plotter, which will draw with a marker on spheres at will, derived from models transformed into G-code files. The machine is easily doable with a few 3D printable pieces

You can build it yourself:

.stl files at:

http://www.thingiverse.com/thing:201052

Detailed build instructions and code:

http://www.open-electronics.org/spherebot-reloaded-customize-your-xmas/

Marry Xmas people!!!! HO  HO HO!

Navic209 created this robot arm which you can guide by hand and it will "learn" to repeat that motion.


From project description:

Inspired by the Baxter robot, this arm can be trained to move with your own hands. Once the train button is pressed, youd. move the arm and gripper as needed while the Arduino stores the positions in EEPROM. After that the arm will replay the motion as needed.

The motion sensing is done by Adafruit Analog Feedback Micro servo: http://www.adafruit.com/products/1450

Arduino programming:
https://github.com/vectrasoft/TrainableRoboticArm


Gripper of robot arm:

http://www.thingiverse.com/thing:71797

Robot arm:

http://www.thingiverse.com/thing:34829


VectraSoft by Navic209

https://sites.google.com/site/vectrasoft/projects/

https://sites.google.com/site/vectrasoft/projects/trainable-robotic-arm


Update:

here is a new video showing improvement with smoother movement

3d printable diy telepresence robot. just cool.



From ROSCO Thingiverse page:

ROSCO is a DIY hobbyist friendly almost plug and play Telepresence robot kit. The Arxterra software and website portal and control panel makes it possible to control the robot from anywhere via the internet. All you need is the printed robot, Arduino Uno, Adafruit motor shield, and a web enabled Android smart device.
Full instructions, software, control panel, and BOM available at Arxterra.com
Arxterra is about building telerobotic communities to bring people together and create a forum for ingenuity and artistic expression. The first step to creating a robotic community is to design open source, low cost robots and a cloud based eco-system in which they can live.
Our current design is our own RObot SCOut or Rosco which is based on the Android/Arduino platforms. This rover can be 3d printed and built for under $200 sans smart phone. A quick download of our Arxrobot app and you will be connected to our servers bringing you together with robots from all over the world to build, create, and explore.

http://www.arxterra.com/

http://www.thingiverse.com/thing:145577

It is cute, it is simple, it dances and walks ... BoB the BiPed 3d printed robot ...









Detailed build tutorial and files:

http://www.instructables.com/id/BoB-the-BiPed/?ALLSTEPS

http://www.thingiverse.com/thing:43708

Project by: k.biagini