Diagram guides

Step-by-step guides to drawing scientific figures with the Diagram DSL — every figure below was rendered by the engine itself.

How to draw lens and mirror ray diagrams

Closed-form ray diagrams: object, focal points, three construction rays and the computed image — all from lens/mirror parameters.

How to draw free-body diagrams

Blocks seated on surfaces and inclines with preset force vectors — normal, gravity, friction — sized and directed automatically.

How to draw pulley systems

Mounted and free pulleys, ropes routed through tangent points, Atwood machines — the rope follows the pulley automatically.

How to draw Lewis structures and molecules

Textbook dot-and-bond Lewis structures plus interactive 3D molecules — a 300-compound library built from NCERT/CBSE chemistry chapters.