Evidently you missed several options on the manufacturer’s site. One option would be to download their catalog which has dimensioned drawings of their profiles. You can also get CAD files of their profiles if you want.
They give plenty of information to model the profiles they offer.
Yes. They supply CAD files in. dxf format. You need to have SketchUp Pro or SketchUp Shop to be able to import .dxf files, though. That’s not an option for the hobbyist versions like 2017 Make, though.
From the information provided in the PDF catalog you can get enough to model the profiles without the .dxf files.
Those profiles are generally drawn with straight line segments, arcs and circles. Pretty basic stuff really. I suppose you could start with the Fundamentals.