Flatten curves and surfaces
Flatten a portion of a curve.
Flatten surfaces for pattern-making and flat-fabrication of curved surfaces.
Flatten curves
![](../image/command_icons/insertlineintocrv.png)
InsertLineIntoCrv
Flatten the curve segment between picked points.
Flatten surfaces
![](../image/command_icons/flattensrf_rt.png)
FlattenSrf
Project surface edges onto the construction plane to create planar curves.
![](../image/command_icons/smash.png)
Smash
Flatten a surface without restriction to single-directional curvature.
![](../image/command_icons/_no_toolbar_button.png)
Squish
Flatten a non-developable (curved in two directions) 3-D mesh or NURBS surface into a flat 2-D pattern.
![](../image/command_icons/_no_toolbar_button.png)
SquishBack
Return curves and surfaces to the original squished 3-D shape.
![](../image/command_icons/unrollsrf.png)
UnrollSrf
Flatten (develop) a surface or polysurface with curvature in one direction to a planar surface.