Recent Blogs
Drawing Instrument (form) Mechanism: How It Works, Parts, Diagram & Error Calculator
How a drawing instrument form works in technical drafting — geometry, tolerances, and accuracy targets used in engineering, cartography, and architecture.
Parallel Ruler (form 1) Mechanism: How the Parallelogram Linkage Works, Parts, Uses & Formula
Parallel ruler linkage explained — how the four-bar parallelogram keeps a straight edge parallel during translation, with worked drafting and CNC examples.