AutoCAD 3D, how to draw plastic chair, autocad

ES: in this video plastic chair draw by used command rec (rectangle), command f (fillet), command move, command pl (polyline), command loft, command shell, command offset, command ext (extrude), command uni (union), command ...
Please go to my channel to get more videos about autoCAD.
THANK YOU.

[@specialmentor]

ok

[@mohdzeeshan542]

Hello sir, I am having a problem when I am making a plastic chair.
In shell command showing error code no. 111026 please solve this problem.

[@Eangsopheann]

could you, shell simple object?

[@karthicks8918]

Which software?

[@Eangsopheann]

autocad 16