View Full Version : Turbosmooth Pinch
11 November 2009, 10:23 AM
Modeling with editpoly on max 2010
Edge seems to pinch when using turbosmooth
ive checked the edge to see if theres any extra edges with it and theres none, also checked the vertices but none extra
what you think could cause it, could it be the angle of the edges?
11 November 2009, 11:17 AM
what you think could cause itBad topo. You need quads for clean subdivisions.
11 November 2009, 12:58 PM
When you say quads, which parts arent quads in that area?
Mind me still a newbie
11 November 2009, 01:06 PM
Quad = polygon with 4 vertices/edges, tri = polygon with 3 vertices/edges, nGon = polygon with more than 4 vertices/edges.
When you say quads, which parts arent quads in that area?The pinched parts.
In your first screenshot you have 3 vertices marked, that polgon can't be a quad obviously( I can see 5 vertices on top + 2 invisible vertices on the bottom, maybe even more) hence it get's pinched.
11 November 2009, 02:59 PM
Quads are good as you say, but i cant find non quads in that area
ive highlighted what i find as quad polygons in colours. the 3 vertices you mention yes there are three there but theres a fourth above which makes all quadfaced
some screens to explain
im a little confused
Thanks alot for your assistance
heres the links
11 November 2009, 03:07 PM
Those three edges just abruptly stop forming a large n-gon at the back of the hollowed out section of the mesh.connect the verts to their symmetrical opposites(running parallel) to form quads.
11 November 2009, 03:54 PM
the 3 vertices you mention yes there are three there but theres a fourth above which makes all quadfaced
Well you can go on and pretend that it is all quads, but as already stated above, the pinched poly has 7 edges(or more), not 4.
ive highlighted what i find as quad polygons in coloursGood for you and quite right, but you still miss the relevant part - ie the nGon you created(no,it's none of the coloured ones).
11 November 2009, 08:01 AM
Okay guys, since i confused the situation i started afresh
heres the mesh
with a turbosmooth modifier it seems to be okay just needs more iterations
however when i add these extra edge loops to harden the edge
thats when this pinching starts to happen
11 November 2009, 12:47 AM
you'll need a holding edge on the other side of the edge you are trying to harden as well. That's why you're getting the result you want on the top plane, but the geo is going loopy in the recess. Add one more and you should be good to go.
11 November 2009, 12:24 PM
Perfect the extra edge as you said cleared the pinch
Thanks Raven means alot
and thank all you guys for the assistance, sorry for being a pain
11 November 2009, 11:20 AM
No problem, having to keep all quads for subdivision, now that's the pain! ;)
11 November 2009, 11:20 AM
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