Recent Blogs
Reflecting Drawing Board Mechanism: How It Works, Optical Diagram, Parts and Uses Explained
How a Reflecting Drawing Board works — the half-silvered mirror trick draughtsmen used to trace 3D objects flat onto paper, with worked examples and tolerances.
Centrolinead Mechanism Explained: How the Drafting Linkage Aims Lines at Off-Board Vanishing Points
The Centrolinead is a drafting linkage that draws lines converging on an inaccessible vanishing point. Used in perspective drawing, shipbuilding, and architecture.