This doesn't work: (entmake (list '(0 . "DIMSTYLE") '(2 . "arctitic") '(70 . 0) '(40 . 48.0) '(41 . 0.125) '(42 . 0.0625) '(43 . 0.315) '(44 . 0.06) '(46 . 0.09) '(140 . 0.078) '(141 . 0.09) '(142 . 0.0) '(143 . 25.4) '(147 . 0.03) '(73 . 0) '(74 . 0) '(77 . 1) '(78 . 3) '(172 . 1) '(176 . 256) '(177 . 256) '(178 . 256) '(270 . 4) '(cons 340 (tblobjname "style" "standard")) '(287 . 4))) neither does this (entmake (list '(0 . "DIMSTYLE") '(100 . "AcDbSymbolTableRecord") '(100 .. AcDbDimStyleTableRecord") '(2 . "arctitic") '(70 . 0) '(40 . 48.0) '(41 . 0.125) '(42 . 0.0625) '(43 . 0.315) '(44 . 0.06) '(46 . 0.09) '(140 . 0.078) '(141 . 0.09) '(142 . 0.0) '(143 . 25.4) '(147 . 0.03) '(73 . 0) '(74 . 0) '(77 . 1) '(78 . 3) '(172 . 1) '(176 . 256) '(177 . 256) '(178 . 256) '(270 . 4) '(cons 340 (tblobjname "style" "standard")) '(287 . 4))) any help is appreciated. Thanks