Duplo Train Bridge
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This bridge is simillar to the genuine Duplo bridge ca 1 m long (aka Lego #10872).
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Model information
- Source
- Printables
- Category
- Building Toys
- License
- Creative Commons — Attribution — Noncommercial
This bridge is quite big (1.10 m) but you need that for the train to be able to climb about 12 cm in order allow another track to pass under the bridge. However you need to be reasonable and keep the train as light as possible.
Because kids using Duplo trains usually don't read yet, I have embossed or made slots or other types of markers so that a kid should be able to assemble the bridge.
The bridge is symmetric. The distance between the top pillars is enough for one track. You need very little supports and minimum infill. I've used 10 % adaptive cubic and it works fine. Look at my print files if you own a different printer so you can see what choices I made. For the pillars I use no supports and no infill.
You need to mount the pillar connectors onto the respective bridge parts ; slide them as far as they go. You need some force to do that (a kid won't be able to do it). No need to glue them they will stay there !