BlendEdge

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Blend Edge

The BlendEdge command creates a curvature-continuous blend surface between polysurface edges with varying radius values.

The polysurface is trimmed and joined to the blend.

Command-line options
ShowRadius	Controls the display of the current radius in the viewport.
NextRadius	Specifies the radius for the next handle.
ChainEdges	Automatically selects curves that are touching the selected curve. How to chain select edges.
PreviousEdgeSelection	In cases where the command is canceled or ended prematurely, the PreviousEdgeSelection option re-selects the previously selected edges. Supports multiple sets of previously selected edges for up 20 previous edge sets.

The Radius and Distance options appear on the command line when you drag a handle grip.

Radius/Distance options
FromCurve	Select a curve. The radius of the curve at the picked location will be used.
FromTwoPoints	Pick two points to show the radius distance.

Handle options
AddHandle	Adds a handle along the edges.
CopyHandle	Adds a new handle using the distance from the selected handle.
RemoveHandle	Visible only when at least one handle has been added.
SetAll	Sets the distance or radius for all handles.
LinkHandles	Editing a single handle updates all handles.

Only added handles can be removed.
The default handles at the ends of each open edge segment cannot be moved or deleted. This is the minimum information the command needs in order to work.
The handle at the end of a single closed edge can be moved but not deleted.

Always blend from the largest radius to the smallest radius across a model.
Use MergeAllFaces or other modeling method to remove as many edges as possible. Fewer intersected edges = Fewer problems.
Make sure there is enough room for the blend surface to trim and join with adjacent surfaces.
The success of the blend operation depends on the angle relationships between surfaces, the sharpness of the bend in the rail around corners, and rail type.

RailType options
DistFromEdge	The distance from the edge curves determines the intersection.
RollingBall	The radius of a rolling ball determines the intersection.
DistBetweenRails	The distance between the edge rails determines the intersection.
Preview	Displays a dynamic preview. You can change the options and the preview will update.

See also