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Hi @Anonymous 

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@Anonymous wrote:

Hi guys,

I need help in drawing this 3D shape. I'm a beginner, new to AutoCAD, and I have tried to draw the shape but couldn't get it correctly. Please see attachment. 

Thank you so much for your help.  

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It is not too difficult. See attached drawing.

I tried to keep main steps in the attached drawing, hope you will be able to deal with it.