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HP Robot Otto Crawler bulldozer — image 1
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HP Robot Otto Crawler bulldozer

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HP Robot Otto Dozer with tracks

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HP Robot Otto Crawler bulldozer

Similar model to my previous one, the change is in the bulldozer tracks

The original model of the Otto is not changed, I only added accessories-Rims, Tracks, Blade, Lights, Scraper.

Attach the discs to the axles with a M3x10mm screw, Blade to the arms M3x6mm.

Insert the discs into the track and at the same time place them on the axles and screw them

I printed the tracks fine the first time, they are printed Print-in-place, clean the pad well, do not use brim. Be patient when releasing the tracks, move each link well

If you want the OTTO robot model without a motor, use the same ones as the front instead of the rear axles and rims. Glue the axles to the bottom base of the model.

Parts list is in the picture

Updated drive axis from servo motor to rear rim of bulldozer track, see picture. To attach the axis to the rim use M3x8 screw, or glue together

Track detail

Updated drive axis from servo motor to rear rim

Parts list is in the picture

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