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jlamarche

D8 Polyhedral Die

by jlamarche Oct 28, 2012
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D8 printed perfectly for me - my only (small) complaint is that some of the numbers aren't centered on their faces :)

Thank you for uploading!

I just opened both the .stl and the .blend and made sure the normals were all facing out. As best as I can tell, all the face normals are pointing in the correct direction.

 Do you know about Thingiview?
The little blue cube in the image of the STLs above, click on it and you get a 3D view.
I previously asked TV staff about the dark blue parts and they said it is inverted normals and given that I can see the inside face of the die it looks that way to me.
Also a couple of smaller spots on your other dies.

I understand why you said it, but there's something odd going on. I have opened the file up in two separate programs and turned on normals display. The object is watertight, manifold, and the normals are all pointing outward.

When I view the die in Thingview, I see clipping problems, but they appear to be because it won't let me zoom out far enough. It's possible that this is  caused by a problem in my file, but I don't think it's a problem with the normals. I've checked the file in both Blender and MeshLab and see no signs of inward pointing normals. 

It's possible I'm just not seeing it, but if there is a problem with the model, it's not causing problems at printing time for me and I'm unable to locate the specific problem.

It's also possible that it's an issue with Thingview.

Netfabb says it has degenerate faces, whatever that means.

I ran it through Netfab and repaired it, uploaded (to an unpublished Thing) and it still behaves the same. So possibly Thingiview.
 ??
Repair ended up with ~ 1/2 triangles BTW.

Ah! Didn't think to check for degenerate faces. They shouldn't affect the print (most printing software ignores them), but if I get a chance, I'll go in and clean them out and see if that takes care of it.

judging from the Thingiview you have some inverted faces.