How can I extend my 2D Surface element to 3Dß

Hello friends,

 

I am going through very silly Problem in HyperWorks Optistruct, I want to design 3d element with nodes....

 

I gone through Nodes>Geo> defined 4 NODES;

then also define plane from 2d trimmed select all nodes and make mesh Keep surf. it gives me 2d surface. Now I have to extrude my 2d element.... How can I do it?

 

Please help me.

 

Thank you,

 

Regards,

Jay