https://forums.autodesk.com/t5/autocad-forum/autocad-2012-block-duplication/m-p/5772987#M316539 <P>Hi,</P><P>&nbsp;</P><P>i don't know how it's automatically with copy cammand does these weird flat blocks appeared, all what i know that blocks such (<SPAN>03-Office Chair-flat-01)</SPAN></P><P><SPAN>usually appeard when we use flatten command line.&nbsp;</SPAN></P><P><SPAN>maybe there is some hidden commands come a round with lisp or plug-in to your system. try to reset your autocad programe.</SPAN></P><P>&nbsp;</P><P><SPAN>Good Luck..</SPAN></P> Sun, 16 Aug 2015 05:09:58 GMT imadHabash 2015-08-16T05:09:58Z