We're not so cruel as to try and make you work out what you need from scratch so here is a selection of complete German scout tents to get you started without all the stress and worry of wondering if you've left out an important bit.
There are still quite a few options available (roof styles, and cap styles are the main two) and what you buy now could affect what you can do in the future - rain flaps can get in the way if you're building, depending on what you're building - so have a browse, make a long list of questions and then fire them at us (not literally please, we bruise easily) either over the phone or via email.