Missing a detail when working through an unfamiliar assembly can be easy to do. Getting your head around the movement of water, air, and the thermal boundary with all of the parts and pieces that are required to make the structure often requires more information than can be shown in a simple plan or elevation. I often find myself drawing in 3-D using a modeling software or even going as far as building a mock-up of the assembly. Sometimes both are needed.
If you are an architect, which I am not, you’ll have the software tools to make professional, photo realistic drawings. I do have some formal training in drafting, but that was decades ago, CAD was new, and my instructor believed in drawing by hand first, then move to the computer. Some of my past designs were simply done on paper or with an inexpensive CAD program, which can work, but not very impressive when trying to sell a client on a design.
