Draw taper of steel plate thickness(1:5).
 
  File name : TC15.LSP

  This pogram draws taper of steel plate(1:5).
It is used on thickness change or width change alse. see below image.  



 
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  Select thin plate:{p1}    [Select thin plate line(or arc)]
  Select thick plate:{p2}   [Select thick plate line(or arc)]