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a derivative of http://www.thingiverse.com/thing:37104 with a more understandable scad code and more possibility
print the track as 0.5mm wide no infill no top or bottom layer
print the wheel whith 3 perimeters 3 layers top and bottom, 0.2 infill
the same whith the frame
the frame is ready to use these servo: http://www.pololu.com/catalog/product/1248 and is ajustable to get the track with the correct tension
you may need to add an external idler if you use another servo with no ball bearing; i will work on it anyway
work well with slic3r
strechy caterpillar track by jfpion is licensed under the Creative Commons - Attribution - Share Alike license.
So what's this mean?
We're sure jfpion would love to see what you've printed - take a photo and share it on Thingiverse as a Make.
To post a Make simply visit this Thing again and click I Made One to start uploading your photo. You can also download the Thingiverse Mobile app (available via Google Play and Apple App Store) to take a photo and upload your Make right from the app!