We're all familiar with two dimensional design drawings — not to mention the questions that usually accompany them because they can provide only so much information before becoming hopelessly ...

Pen drawings can allow simple, inexpensive and intuitive two-dimensional (2D) fabrication. Materials scientists aim to integrate such pen drawings to develop 3D objects. In a new report now published ...

Formal drawings are a more precise style of drawing. They can be produced by hand or with computer aided design (CAD) packages. Formal hand drawings use tools such as rulers and set squares to ensure ...