Recent Blogs
Section Liner Mechanism: How the Pawl-and-Rack Indexing Works, Parts, Uses, and Hatching Formula
Section Liner explained — how draughtsmen use this drawing tool to hatch parallel section lines fast and consistently in mechanical and architectural drafting work.
Parallel Ruler (Form 1): Exact Equal-Arm Translation
Explore an equal-arm parallel ruler. Calculate longitudinal shift, line separation, enclosed area and ideal parallelism from pivot spacing, arm length and angle.