I just took a look at those plans.... What do you mean by, they're not complete??
The full cabinet side view, is also on those plans on the right hand side with angles and dimensions... and there's a full rear view on there as well. There's more than enough information in that drawing to actually re-construct an entire cab from. They're not plans in the sense that they have every single part laid out separately and dimensioned, but you don't actually need that to build one. You can work out the rest of the information from what you have there.
Best Regards,
Julian (Fozzy The Bear)