2011 arc area array attribute attributes autocad autolisp block blocks cad circle civil 3d color command convert cui custom customization dimension dimensions distance drawing dwg dynamic dynamic block dynamic blocks error excel export fields hatch import insert inventor layer layers layout line linetype lisp lisp routines list lsp macro mtext multileader multiple offset paper space pdf plot plotting point points polyline print problem render scale script solidworks surface table text ucs vba viewport viewports xref