I would build a dynamic block that copy one line every 15° on a rotate action.Like a door swing.... but more you open the door more lines will appear (15°)(like polar array)Do you know if it's possible with dynamic block??ThanksBez

Shouldn't there only be one line not multiple lines that appear?  If you opened the door 60 degrees you're going to see four lines aren't you?  Or do you mean arc segments?  Post an image of what you'd like to see at 15, 30, 45, 60, 75 and 90 degrees.

John Connor2013-12-17 14:27:22

This is the result i would like.... the swing is working quite well.. but i have not found the way to copy/rotate the grey line inside the block.

Kind of looks distracting.  Can't say I have ever seen door swings drawn that way.  I'd have to test it myself to see if I could arrive at a solution.
John Connor2013-12-18 11:20:23

This is the Dynamic Block done just with the swing.I'ts Not a door but it looks like a door :-DThanks.Bezuploads/269009/Block.dwg

I looked at your block.  Sorry but I have no good solution to your problem at the moment.

John Connor2013-12-19 13:40:46