[seveibar]

Implements <assembly.drawing.page>, <assembly.drawing.partview>, and <assembly.drawing.titleblock> with standard/custom paper sizes, scoped geometry selection, camera directions, sections, and relative viewport placement. Drawing placement does not move physical geometry.

The visual examples reuse the reference-surface desk lamp: its mounted stepped base, hollow stem, bulb, tapered shade, support ribs, and collar. The A3 general-arrangement sheet aligns top/front/right elevations and an assembled isometric. Separate sheets show the shade's actual central section with hatching, the base's orthographic views, and a carrier board with mounting and header drills. Complete preliminary title blocks and clear label spacing replace the block examples and diagnostic sheet titles. Validation-only cases no longer produce a contrived drawing snapshot.

The test-only exporter now uses https://jscdn.tscircuit.com/@tscircuit/circuit-json-to-drawing/0.0.2.tgz, replacing the Git commit pin. Snapshots use 4 pixels/mm and 2x supersampling. Fixed scene selection to retain standalone PCB geometry owned by the selected subcircuit, including holes omitted by component-only subtree traversal.

leftOfRef, rightOfRef, aboveRef, and belowRef resolve sibling references, including forward declarations, unequal viewports, and independent axes. Invalid nesting, missing/ambiguous selections, self-references, and same-axis cycles fail before drawing records are inserted. Props remain immutable.

Validation: the previous head passed every CI test shard, typecheck, formatting, package preview and distribution smoke test. After merging current main and updating published props, Circuit JSON, Fiber and planner dependency minimums, refreshed CI is running. The drawing exporter remains on its released jscdn 0.0.2 package, which covers these page/view snapshots.

These are preliminary arrangement/inspection drawings: FIT is automatic viewport fitting; dimensioning and tolerances are not yet provided by the API.

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Project	Deployment	Actions	Updated
tscircuit-core-benchmarks	Ready	Preview	Oct 26, 2026 10:10pm UTC

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PR Rating: ⭐⭐
Impact: Minor

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