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Forum: 3D Printing
 Topic: Thin Walls Sticky outdated and not enough explanation
Thin Walls Sticky outdated and not enough explanation [message #101746] Sat, 25 October 2014 09:55 UTC
avatar ian_pretorius_sa  is currently offline ian_pretorius_sa
Messages: 1
Registered: October 2014
Go to my shop
Junior Member
Hi all

So I'm new to Shapeways and have looked at the sticky post concerning Thin walls but have not found an adequate explanation of how thin walls is calculated.

The confusion I'm suffering is that I see countless printed models displayed on your site, twitter feeds etc that have the most intricate detailing

eg..

index.php?t=getfile&id=75381&private=0

and

index.php?t=getfile&id=75382&private=0

but then when I upload a model, which is quite big close to 8cmx8cmx2cm , has no fine detailing , has no escape hole so its a solid item ( no extruded inner walls with flipped normals ) Shapeways finds problems with wall thickness.

Ok it is only on 1 or 2 materials (ceramic and sandstone I think ) but regardless these are thick walls which should not have any issue whatsoever.

eg..

index.php?t=getfile&id=75383&private=0

here is the model listing :

https://www.shapeways.com/model/2789331/trick-or-treat-coin. html?materialId=39

1. Why is the model decimated in the wall thickness editing tool preview? Does this have any affect on the calculations or is it a display issue only?

2. In what way are the walls to thin around the edge of my text? Yes I have a smoothed bevel on the text edges but in comparison to the first two sample images I posted this does not make sense.

3. The wall fixing tool is a joke , no offence to the effort to try and build something like this but really its results are horrific. This is not really a concern of mine as I know some computer driven automation systems are simply impossible to get right. I would simple update the model myself. Im just pointing out that the tool seems useless as it is.

  • Attachment: sample_1.jpg
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  • Attachment: sample_2.jpg
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  • Attachment: sample_3.jpg
    (Size: 172.60KB, Downloaded 9 time(s))

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