Recent Blogs
Lazy-tongs Pantograph Mechanism: How It Works, Parts, Scale Formula & Engraving Uses Explained
How a lazy-tongs pantograph copies and scales drawings using crossed extensible links. Used in drafting, sign-making, and engraving since the 1600s.
Pantograph Mechanism: How the Four-Bar Parallelogram Linkage Scales and Copies Motion
How a Pantograph linkage scales drawings, engraves nameplates, and copies CNC paths. Geometry, formulas, tolerances, and a worked example for makers and engineers.