Excavator undercarriage
thingiverse
Here is the suitable undercarriage for my tracks, which i have made with this files: http://www.thingiverse.com/thing:239321 (you need 36 chain-parts for one complete track) Read the instructions, there is a video for mounting the parts together! Instructions Instruction video: http://youtu.be/i7gTfC4bUlY
Download Model from thingiverse
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