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Duplo hexagon railroad crossing

by satoer, published

Duplo hexagon railroad crossing by satoer Dec 28, 2012

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Description

The most fun part about 3D printers is that you can design non existed things. For me, Duplo is a great way to experiment with (And have a happy kid in the process). After the straight rails to test the compatibility and interchangeable with the original Duplo (see: thingiverse.com/thing:36017 ) I've taken it a step further. And here I present the hexagon railroad crossing. Fully compatible with the existed Duplo rails.

The bottom is designed that it fits Duplo in every direction.

If you like it and print one yourself, please share a picture. I always find it fun to see others using my designs.

Recent Comments

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the v4 stl is not manifold and so not printable any ideas ?
I'm using a form labs printer - other stl files work with my software but not this one (which sucks 'cause this is awesome) - any ideas
Great stuff, my son loves it. Thank you!

Two things could be improved:
- The ribs won't be printed even at 0.1mm
- The notches are too tight. Is that only my print, or by design?

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Instructions

The hexagon railroad crossing in the picture's is printed on a Felix in PLA with a 0.25 layer height. But if you want the ribs on the track with more detail a lower layer height is advisable.

The Slicer may complain about some hole's or intersecting facets, but I've tested with Slic3r and Skeinforge/Sfact and they both create good G-code.

No support is necessary.
the v4 stl is not manifold and so not printable any ideas ?
I'm using a form labs printer - other stl files work with my software but not this one (which sucks 'cause this is awesome) - any ideas
Great stuff, my son loves it. Thank you!

Two things could be improved:
- The ribs won't be printed even at 0.1mm
- The notches are too tight. Is that only my print, or by design?
Brilliant! Have printed the hex and the straight. I think of beauty to watch print as well! Can you design us some corners please? The hex as revealed that I don't have enough track!
Very nice! And it works like charm!

Now we need more Curves! Please! ;-)
I Made one and we had fun today using it. Being printed on a Cube in ABS it did need postprocessing. the print itself took about 10 hours - a long wait for the kids..... But it was worth it ;-) next request: a reverse brick (like peeron.com/inv/parts/x905px1) which we don't have in our inherited Duplo train set....
it is still possible to get those secondhand, i even would like to trade a reverse brick or 2 for a duplo hexagon. i dont have a 3d printer
reverse brick could be bought second hand would that not bee cheaper easyer? i dont have a 3d printer maybe that explains my reaction ;)
How did you deal with the thermal shrinking?
satoer - in reply to Gil
Never had troubles with thermal shrinking. I only use PLA, I think PLA has less shrinking problems. But like I said, I’ve never tried ABS.
Congratulation Really a good project that works as a real product We need more like this!!!!!
Thank you for looking!

Hmm, back to Plan A: Try out blue sharpies on white PLA before extrusion.
Hat off. Chapeau! Great, original, usefull and nice.
That is one HAPPY kid!
pure genius, after being just verry interrested, when you mentioned it. now i just have to have some!
Very nice!

Any chance you remember where you got that color from?
This is the best snowflake yet. Utility is beauty.
Someone is just so lucky!

I want to get our Duplo out and play again. Trouble is the youngest is 11 and way beyond Duplo. However grand kids should only be 10 years away for the eldest!

Check out Duplo Toolo, you might find some on ebay or similar.
Yes, its a shame they don't make that anymore. Probably too advanced for the target age.
Is that your kid? So cute!
Yes! Thanks, it's made with the most advance 3D printer in the world ;)
I agree... :D
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