Recent Blogs
Proportion Compasses / Hyperbola Drawing: How the Mechanism Works, Parts, and Drafting Uses
How proportion compasses and hyperbola-drawing linkages work, with the geometry, real shop scenarios, and a worked example for pattern-makers and drafters.
Proportional Compasses Mechanism: How They Work, Parts, Ratio Formula & Uses Explained
Proportional Compasses scale drawings up or down with one slide adjustment. Learn the geometry, ratios, and real draughting uses from architects to model-makers.