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Bevel gear stl problems
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Topic: Bevel gear stl problems (Read 1078 times)
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ftkalcevic
Newbie
Posts: 22
Bevel gear stl problems
«
on:
January 25, 2014, 05:53:59 PM »
I'm seeing a few glitches in the stl files generated for bevel gears.
I'm only using simple software that doesn't seem to be able to repair them properly.
When I load a bevel gear into Netfabb Studio Basic 4.9 (the free version), it shows a strange line through the gear, see attachmen
t. Even after repairing in NetFabb, the line still appears.
I've ignored this up to now, but it has caused some applicati
ons to crash and produce funny results.
Closer inspectio
n in Blender shows what looks like overlappi
ng triangles, see attachmen
t.
It doesn't appear to be a completel
y duplicate
d triangle - if I delete one of the overlaps, it reveals a hole through the object, see attachmen
t.
This was done using a straight bevel, mod 1, PA 20, 14 teeth, 4mm hole, 5mm face.
netfabb.png
(57.62 KB, 688x724 - viewed 234 times.)
blender.png
(25.59 KB, 1440x370 - viewed 241 times.)
blender2.png
(25.09 KB, 1440x370 - viewed 222 times.)
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ArtF
Administrator
Hero Member
Posts: 5679
Re: Bevel gear stl problems
«
Reply #1 on:
January 25, 2014, 09:30:17 PM »
Seems there must be a bug in my triangula
tor code. Ill search for a why on it, the bevels Ive tested so far dont seem to have the line, or at least
the software I use hasnt reported it. Bevels are the most complex for obvious reasons and Ill do a search for what could cause the lost triangle.
.
Thx
Art
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