Caterpillar cart for Duplo
thingiverse
The standard Duplo Excavator has fake caterpillar tracks, so this called for a challenge. You can use this model to upgrade your digging toy or create a cool snow vehicle or obviously anything you can imagine! I don't have experience with printing with flexible filament, so I used existing Lego Technics treads (item 680c01). They are really cheap and easy to order through Bricklink: https://www.bricklink.com/v2/catalog/catalogitem.page?P=680c01 You can choose to use the version with or without connectors. If you like to make a lean model, use the version with 8 studs on top.
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