Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!


by joxnas, published

Quadruped by joxnas Feb 26, 2013


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It's a quadruped. I haven't tested this, it'd be great if someone would. The servo I used to carve the holes was Tower Pro SG90, but most part of micro servos ought to fit too. (I left a bit extra space like 1mm or 2)


The files contain an example of the assembled quadruped which is probably self explanatory. On top of the central part there is an arduino uno sketch model for reference. Under the central part there is a breadboard sketch model too. The wires connecting both should go through the hexagon shaped holes. When assembling, the position of the breadboard can be adjusted if you need to place batteries in that zone. (Even if it completely covers 2 hexagon holes, it's ok. They are there just to keep the wires a little bit more safe).

There are two different versions of one of the parts of the leg. One is easier to print, but requires you to print that hexagon too and then connect it to the rest with screws.

The servo arms/discs probably should have 4 screws holding them to the parts and then there must be an extra screw to tighten the part+disc to the servo itself.

The servos should have screws to mount them on the parts.

I marked this as a work in progress because I haven't tested it, since I haven't a 3D printer.

If you have 3D max, you can open the max file and adjust the size of the central block of one of the servos to meet your needs. All the servos will follow the changes and the same will happen with the holes carved into the parts where servos are supposed to be mounted. Just be careful because if you increase the size a lot, you will need to adjust the parts geometry, or else they will be dijointed.

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