Blender's add-ons manual page explains most of it, but the individual add-ons may have custom requirements, so their manual pages are frequently be a better resource for specific installation instructions. You need to use Blender's add-ons system to get the necessary functionality. I'm still working on the best way to use the unfolded SVG files to make scaling easy (Inkscape works, but the scaling's a little convoluted).įor the sake of anyone browsing this thread who's interested: After some further playing and investigation I've managed to figure out both how to get metasequoia files into blender and how to chop meshes in Blender a la Pepakura Designer.