Subdiv Surfaces > Attach
 
 
 

Merges two subdivision surfaces to create a new subdivision surface.

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Subdiv Surfaces > Attach >

Merge UVs Also

Merges the UVs shared by the edges that you attach. If turned off, the UVs are not merged and can be manipulated and edited independent of each other.

Threshold

Any vertices further apart than this distance will not be attached. Set this value carefully. If it’s too small, no vertices will attach. If it’s too large, the operation may attach vertices that you do not want attached.

Keep Originals

Controls whether Maya keeps the original surfaces you are attaching.