Sketching is a free-wheeling type of informal drawing that helps inspire the basic design of an object before advancing to the more exacting scaled drawings. Autodesk AutoCAD Architecture 2018 Fundamentals 3-1. Architectural Drawings: a Manual: October 2018 4 INTRODUCTION Even the best trained and most experienced librarian or curator is likely to confront difficulties in dealing with architectural drawings. They are, after all, produced by specialists, and they will nearly always include elements which only a trained architect will understand. With practice you will find sketching to be fun. AutoCAD Architecture comes with 3D content that you use to create your building model and to annotate your views. Lesson 3: Floor Plans . TYPES OF PERSPECTIVE DRAWING: 1) One-pointPerspective 2) Two-pointPerspective 3) Three-pointPerspective 4) Multi-point Perspective (will not be covered in this lesson)..depends on the number of vanishing points in the perspective drawing Academia.edu is a platform for academics to share research papers. The essence of sketching is simple: draw whatever pops into your mind, and revise as you go until you find a design you like best.