Recent Blogs
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.
Quadruplanar Inversor Mechanism Explained: How It Works, Diagram, Parts, Formula, and Uses
Quadruplanar Inversor explained — how this 4-bar inversion linkage converts circular motion to straight-line travel for drafting tools, optics jigs, and lab gear.
Parallel Ruler (form 4) Mechanism: How the Four-Bar Parallelogram Linkage Works, Parts & Uses
Parallel Ruler form 4 explained — the four-bar linkage drafting tool used by navigators and architects to transfer parallel lines across charts and drawings.