Thingiverse

4Track

Kepler
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Published on November 5, 2011
This thing was Featured on November 5, 2011

Description

This is a fully printable mobile robot I designed and built last year. However, it wasn't very useful until Julián Marín Mato added some electronics and wrote some code to control it with a gamepad. Now that we can say it's finally 100% functional, we'd love you to play around with one too!

To see it in action, check out this video: youtube.com/watch?v=54MXA22bOmQ

There are, of course, things to be improved: using more powerful servos, strengthening some parts, adding wireless comms, etc. All that will come in the (near?) future.

Instructions

All you need to do is print out the parts and assemble! The axles are M6 bolts (with their ends cut off, because they were too long). To assemble the individual tracks, take a look at thingiverse.com/thing:7640. I hope the rest is (more or less) obvious. If anyone is having trouble, let me know and I'll post more detailed building instructions.

Note: The files frontframe and backframe can be printed as they are for 2 tracks, but for the other 2 you must mirror them! (the robot is symmetrical)

Note2: The servos that operate the tracks must be modified for continuous rotation!
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stu on November 23, 2011 said:

This is very GiTS :)

random8tr on November 18, 2011 said:

simply awesome :)

emili on November 10, 2011 said:

Nice robot! very extravagant, I like it! I had it in my hands when I was in Madrid and I couldn't figure out how this robot can move! really smart!

steve on November 7, 2011 said:

I very interesting concept but could not view the video??

Would like to see it in action... =-O

Kepler on November 7, 2011 said:

That's strange... everyone seems to be able to watch it on youtube! Try searching directly for "4Track - robot".

Anonymous on November 7, 2011 said:

I noticed that you are using rubber bands for tracks. This site has a few ideas on how to make several different types of track. It might help you get more traction.

www.rctankcombat.com

Kepler on November 7, 2011 said:

Thanks! Those tracks are really amazing, the only problem is that they seem to be quite big and heavy, so I doubt they would work well on a smaller robots like this one.

Olalla on November 6, 2011 said:

The awesomeness of this cannot be expressed with words...

avalero on November 6, 2011 said:

all the infor on the board can be found here: http://www.iearobotics.com/wik...

obijuan on November 6, 2011 said:

Congratulations!!! Great works!!!!! :-D

The source file works, but there is a problem with the space in the file name. It is better to rename it to "openscad_files". I also thing is better to upload it in zip format. It is more convenient for the window users.

Kepler on November 6, 2011 said:

I re-uploaded it with your suggestions!

Anonymous on November 6, 2011 said:

¡Buenísimo! ¡Muy buen trabajo!
Una pregunta: ¿Usáis Arduino para controlar los servos?
---
Cool! Good work!
Question: Are you using Arduino to control the servos?

Kepler on November 6, 2011 said:

The board that we are using is called the Skymega, and was designed by Obijuan. It is basically an atmega 328 microprocessor (same as the arduino) with all the necessary components for serial communication and pins broken out for 8 servos. I think Obijuan should upload the design to thingiverse!

zignig on November 6, 2011 said:

Cool robot :)

The tgz file appears to be corrupted , or not the right file.
*DONT_KNOW*

avalero on November 6, 2011 said:

it works fine for me. I have already printed one :)

avalero on November 6, 2011 said:

This is a PrintBot!!!

avalero on November 6, 2011 said:

could you also upload the source code of the micro and the software for tele-operating it??

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4Track by Kepler is licensed under the Attribution - Share Alike - Creative Commons license.

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