Full Version: bauble

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Hi MIchael ...

SOrry if this turns out to be a double post ... I sent a model a little while ago but it seems not to have arrived.

Here it is again ... it seems to be a single solid but won't upload to shapeways.

cheers,

eric

Attachments:
seed symbol 4.3dm

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Hi eric, could you also let me know what parameters you are using for saving the STL file so I can test with the same parameters over here?

But there seems to be something wrong in this area of the model here:









Looks like possibly a bad trim in that area, maybe a self-intersection or something like that, I'll see if I can repair it for you.

Also, the model does not seem to be totally symmetrical - a couple of those pieces in that problem area are shaped differntly than their adjacent neighbors, is that intentional or should those little pieces all be the same around?

- Michael

Image Attachments:
eric_prob1.jpg  eric_prob2.jpg  eric_prob3.jpg 

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Hi eric, I've attached a repaired model here, please give this one a try and see if it will work now.

I'm not sure how that area got messed up, but there was an area that had some edges missing, there was a big gap between some edges in a trimming loop in that spot.

Anyway, I repaired it by extracting that area using Edit/Separate, breaking it into some individual surfaces and doing some untrimming (that's where you select all edges and delete them to recover the underlying surface).

That let me reconstruct one of those side pieces, which I then moved slightly (the originals were slightly off center), then arrayed it and unioned it and joined the repaired piece back into the main model.


I don't really know how that messed up area got created, possibly some kind of intersection bug but unfortunately it is difficult to track down what happened just by looking at the completed model.

Let me know if you still have any problems with the repaired version.

- Michael

Attachments:
seed symbol 5_3DM.zip

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I was just looking at the model too. I just wanted to point out for anybody that I used "ExplodeMove" to reveal the problem. Although Michael is much better at understanding what he found and fixed it, I found a pile of fragments in this area that the explodemove command revealed very quickly. I would have probably rebuilt the whole intersection. Perhaps all the fragments were just a byproduct of the one bad trimmed surface Michael repaired. ANyway, thought it may be useful.

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Hi Michael ...

Yes, the pieces are not symmetrical ... they are the opposite sides on an unsymmetrical portion of a 2 dimensional symbol. A Tibetan letter (text) so to speak.

I'll see if this one (you fixed) will upload and let you know ... and thanks.

I do wonder how the error happened ... all duplicate parts should be the same ... they were made from one part and then arrayed.

eric

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Hi Michael ...

The model you repaired uploaded to shapeways just perfectly.

I originally increased the polygons to about 75% on the export slider (the one that failed) ... I did the same thing with the repaired one.

thanks for all your help.

I have ordered a small 3d print of this and a few other things ... I'm very curious about how they'll turn out.

cheers,
eric

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Thank you Pilou and Michael ;-)

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Hi eric, it would be cool to see a picture of the actual model when you receive it.

It's always so cool to see these models appear in physical form, it's kind of like magic.

- Michael

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Hi Michael ...

I will do that ... I have sent in 3 objects so far, so I will get pics of all three.

cheers,
eric

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My little bit of fun using the concepts of this thread
Brian

Attachments:
Bauble.mp4

Image Attachments:
The MoI Modelling.jpg 

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Ah! Creative minds run wild!

cheers,
eric

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Show messages:  1-14  15-25