SketchUp Mini Sumo Robot

by bwevans, published

SketchUp Mini Sumo Robot by bwevans Sep 5, 2012

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16625Views 2600Downloads Found in Robotics
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A mini sumo-bot modeled with SketchUp for Chapter 8 in Practical 3D Printers, www.apress.com/9781430243922. Works with Pololu motors and tracked wheel set along with a 4 AA battery pack and a mini solderless breadboard.


Print the chassis and optional dozer blade and assemble. The parts list is as follows:

Part Description Supplier Part Number Price Quantity
Tracked wheel set, 22-tooth Pololu 1415 $13 1
50:1 micro metal gearmotor HP Pololu 998 $16 2
Baby Orangutan B-328 controller Pololu 1220 $20 1
170-point solderless breadboard SparkFun PRT-08803 $4 1
Momentary pushbutton SparkFun COM-09190 $0.5 1
4 AA battery holder RadioShack 270-391 $2 1
Double-sided foam tape RadioShack 64-2361 $3 1

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Thanks for sharing and the sources. I printed several of these and modified the platform a little bit. I made the motor holder a little bit bigger, in case of several broken ones.
On a day of open house of our fablab, we played soccer with these little cute bots. :)
Here is a video (sorry for bad quality :( ) https://www.youtube.com/watch?v=1VYp0XFapqEhttps://www.youtube.com/watch?...

That is so awesome! Thanks for sharing. You should post your derivative somewhere.

why have you installed a capacitor on the motor?.

im about to start printing this!

The motors can be a bit loud under PWM control so the capacitor helps with that.

What is the size of this, as i think makerware it pulling it up in correctly. The one I printed is about the size of an average Sticky-Note

if you can fit a X4 AA pack in the clips on the bottom then its the proper size