

Poly Bevel
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Poly Bevel
Unfortunately, the poly-bevel node has a lot to be desired (as of writing Jan. 9th 2023). When using this node, you will find many parameters that are either broken or that create bad geometry. So, if you are having issues with this node, then it is wise to follow it with a clean SOP, fuse, or poly doctor node to ensure that your topology has not been corrupted.
In practice, it's best to tread carefully when using this node, and make sure that you inspect each bevel before moving on.
General Parameters:
Group + Group Type:
Exclusions:
(If mode is set to Primitives, you will see these options...)
Ignore Polygon Bridge Edges
(If mode is set to Points, you will see these options...)
Ignore Flat Points (Coplanar Incident Polygon)


Ignore Inline Points (Incident Polygons on Two Planes):
-- To see this in action, look at a point that’s located in the middle of a flat polygon like this:



Offsetting:
Distance:
-- This is how far out a bevel should go
Slide on Ring Edges:
-- These parameters will control how the edges slide across your mesh as they bevel. These settings are a bit confusing in how the document presents the information. In practice, it is best to switch between the different modes and settings to see if it gives you a better looking bevel. I’ve found that when bevels start to look ugly, it may help to set the mode to “Auto” and the Asymmetry Tolerance to a low value. In addition, it’s best to ignore what the documentation is saying, and see for yourself what the “Auto,” “Always,” and “Dont slide along any ring edges” do to the mesh.



Asymmetry Tolerance:
-- This will make the faces evenly spaced along the bevel. Turn this value down to make the polygons evenly spaced. Turn it up to preserve the original shape with asymmetrical polygons.
Always Slide-On:
Collisions and Limits:
Detect Collisions:
-- This allows the bevel node to detect when two sliding points meet during a bevel. If so, it is implied that it will try to stop the bevel so that it overlaps do not occur.
Restrict Sliding to Ring Edges:
-- According to the docs, “Stop sliding a point on a ring edge when it reaches the end of the edge. When this is off, the fillet will continue past the end of the edge, creating overlapping polygons.” In practice, it’s best to leave this on.
Stop Loops:
-- Never means that loops can overlap. Individually means that each loop will keep going until it collides with a point. Simultaneously means that the bevel will stop as soon as one point meets another.
When a Point Reaches End of its Slide:
-- According to the docs, “Stop the loop when a point reaches the end of the edge it’s sliding on. This is the same condition as Restrict sliding to ring edges, but where that options stops an individual point from running off an edge, this option stops the loop.” Leave this on.
When the Offset Front Pinches + Pinch Angle:
-- According to the docs, “Stop the loop when an acute angle in the offset front closes down to less than a certain number of degrees.” In practice, this does not work. Use the “Maximum Normal Angle” parameter above instead.
When the Offset Front Collides with Itself:
-- According to the docs, “Stop the loop when part of the offset front touches itself.” Leave this on.
Profile:
-- When Shape is “Round”, whether to apply a custom cross-section shape to the fillet.
Profile Control:
-- Scale = This will determine how much the ramp/curve is applied to the beveled faces. A negative scale will invert the direction.
Output Groups:
Watch the video above at 11:26 to visually preview what these groups are describing.
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