Recent Blogs
Parabola Scriber Mechanism: How the Focus-Directrix Linkage Draws a True Parabola
A Parabola Scriber draws true parabolic curves directly on stock for solar dish layout, antenna reflectors, and optical tooling. Geometry, formulas, examples.
Parabola Drawing Instrument Mechanism: How It Works, Parts, Focus-Directrix Diagram and Uses Explained
How a Parabola Drawing Instrument traces true parabolic curves for optics, antenna dish layout, and architectural drafting — geometry, formulas, worked example.
Hyperbola Scriber Mechanism: How It Works, Parts, Formula, and Drafting Uses Explained
Hyperbola scribers draw true conic curves for optics, drafting and stonework. See how the string-and-pin method works, with formulas and a worked example.