tikzphysics – TikZ-native shapes and anchors for classical physics diagrams

The package extends TikZ with reusable shapes, styles, keys, and geometric anchors for classical-physics diagrams. It provides contact surfaces and inclined planes, blocks and pulleys, and a curved optical lens. All objects use ordinary TikZ node and path syntax, accept unit-aware dimensions, and expose named and parametric anchors for composing larger diagrams.

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