<p>This Architectural Drawing is AutoCAD 2d drawing of Door handle cad blocks in AutoCAD, dwg file. But the word doorknob most often specifically refers to a handle shaped like a knob—a part that sticks out and has a rounded end. Door handles in other shapes might be called doorknobs, but it's more likely for them to be called <strong>door handles or just handles</strong>. Another difference is that doorknobs typically turn.</p>