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Posted

Hi all, I'm new to this forum so forgive me if I'm posting in the wrong place!

 

I'm also new to Autocad and trying to self tutor myself. What I'm wanting to do is experiment with the network surface modelling tool. I can make a surface but not the way I want to as CAD tells me: "Cannot create a network surface from the selected curves." Is there something I should know? Do only splines work? I've tried with a combination of lines, arcs and splines to get the shape I want.

 

Thanks in advance for your help :)

Posted

Are your curves in two different directions? This is an example:

 

NetworkSurface.jpg

 

The red lines are considered curves in the first direction.

The yellow arcs are considered curves in the second direction.

 

Select the curves as per the prompts on your command line and the result is seen in the background.

Posted

Hi, thanks for your reply. This is my model frame with crossing lines and splines. Is there something dumb I'm doing wrong?

 

Network surface frame.jpg

Posted

I doubt you are doing something dumb.

 

Without a copy of the drawing and a full explanation of what curves you are using and how you are picking them I can't supply you with an answer to your problem. Maybe someone else here can.

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