Breadcrumb Home Design Drafting Technology DDT 111 DDT 111: Fundamentals of Drafting and Design Technology Download as PDF Subject Design Drafting Technology Credits 3 Theory Credit 1 Experimental Laboratory Credit 4 This course serves as an introduction to the field of drafting and design and provides a foundation for the entire curriculum. Topics include safety, lettering, tools and equipment, geometric constructions, orthographic sketching, and drawing.