Recent Blogs
Reflecting Drawing Board Mechanism: How It Works, Optical Diagram, Parts and Uses Explained
Explore a reflecting drawing board with a flat mirror at 45 degrees. Calculate virtual image size and alignment with the paper from three dimensions.
Centrolinead Mechanism Explained: How the Drafting Linkage Aims Lines at Off-Board Vanishing Points
See a rigid centrolinead slide against two fixed pins to draw toward a remote vanishing point. Compare pin bearings, arm settings and a separate line-deviation...