from sweethome3d to autocad

saveas .svg > open in inkscape > saveas.dxf or .dxf v12

https://mydxf.blogspot.com/2008/11/inks ... f.html?m=1

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from autocad to sweethome3d

load cad2walls.lsp inside autocad > export as cad2walls.input.txt >

use cad2walls.jar > saveas cad2walls.output.sh3d

https://sourceforge.net/p/sweethome3d/plug-ins/56/