To add an anchor on an existing curve
on the curve and select Curve Point from the marking menu.
Maya inserts an anchor into the curve with a pair of tangents.
To append anchors to the end of an existing curve
) in the Curves shelf.
The last anchor is always the end point of the curve that is not yellow.
on the curve and select Control Vertex from the marking menu.
.
You cannot remove tangents the same way as removing an anchor. For more information, see Add / Remove tangents.
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