This document provides instructions for a design communication project focusing on tonal values in architectural sketches. The objectives are to understand space and detailing in architecture, develop sketching techniques using various tonal values and mediums like hatching. Students must produce four sketches of a selected image using different hatching techniques and mediums like pen, pencil or color pencil. Sketches will be assessed based on clarity of space, depth of visualization, sketching technique and quality, and usage of materials. References for further reading on sketching techniques are also provided.