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Make a curve or surface open or closed
To... Do thisJoin the ends of a curve together to make a periodic (closed) curve.
Select an open curve and choose Edit Curves > Open/Close Curves.
Make a periodic (closed) curve non-periodic.
Select the start CV (the CV that looks like a hollow box) and choose Edit Curves > Detach Curves.
Separate the ends of a periodic (closed) curve.
Select a closed curve and choose Edit Curves > Open/Close Curves. Maya opens the curve and reshapes it so its endpoints are separated.
Join edges of a surface to make a periodic (closed) surface.
Select an open surface and choose Edit NURBS > Open/Close Surfaces >
.
Click U, V, or Both to choose which edges to join.
Move the seam of a closed (periodic) curve.
Select an curve point on the curve and choose Edit Curves > Move Seam. The seam will move to the edit point nearest your selected point.
Move the seam of a closed (periodic) surface.
Select an isoparm on the surface and choose Edit NURBS > Move Seam. The seam will move to the patch isoparm nearest your selected isoparm.
Change the direction in which a surface is periodic.
Select the surface and choose Edit NURBS > Open/Close Surfaces >
.
Click U, V, or Both to choose which edges are periodic.
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