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Dodeca Chain Loop

by emmett, published

Dodeca Chain Loop by emmett Oct 6, 2012

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Description

This chain of 40 interlocking rhombic dodecahedra forms a loop that covers nearly the whole Replicator build platform. It's not quite big enough to be a necklace, but it can work as a crown or other decoration. It's quite fun to play with.

The OpenSCAD file is parametric, so if you have a different size build platform, you can adjust the dimensions of the loop by changing the number of modules in the straight section and scaling the whole.

Recent Comments

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I removed 4 of the links and scaled it down by 0.8 to get to anklet size. ABS juice was needed, but it was pretty awesome in glow-in-the-dark!

 That's blue painter's tape. PLA sticks to it much better than kapton, and you don't need to heat the build platform (at least not for most things).

A bit off topic, but i was just wondering what the blue surface coating on your HBP is?

Very cool design by the way, but I think im still a bit too much of a print noob to get this one out properly.

Cheers,

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Instructions

This design is a good torture test of skeining engines and printers alike. It has a flat bottom, less than 45 degree overhangs and all the bridges are straight, yet the small features make it a difficult print. Good luck trying Skeinforge; this was skeined with Slic3r, which worked, but it also demonstrated some bugs and features that are not quite up to snuff. If anyone can show me a skeiner that does a better job than Slic3r, I'll be duly impressed.

Comments

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graphicsforge on Jan 8, 2013 said:

I removed 4 of the links and scaled it down by 0.8 to get to anklet size. ABS juice was needed, but it was pretty awesome in glow-in-the-dark!

argy-bargy on Nov 8, 2012 said:

A bit off topic, but i was just wondering what the blue surface coating on your HBP is?

Very cool design by the way, but I think im still a bit too much of a print noob to get this one out properly.

Cheers,

emmett on Nov 13, 2012 said:

 That's blue painter's tape. PLA sticks to it much better than kapton, and you don't need to heat the build platform (at least not for most things).

versonova on Oct 6, 2012 said:

thanks for sharing looks cool...

laird on Oct 6, 2012 said:

This will be a fun challenge. Let's see how it does in PLA...

emmett on Oct 7, 2012 said:

 Yeah, this one is PLA; lots of cooling air helps. The big problem is Slic3r likes making single-width bridges that don't quite connect to each side, so they just fall off.

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