M12-07D Status

status: done task: split STL binary and ASCII capability declarations updated: 2026-08-18 America/New_York enablingTask: true parityStateChange: false

Scope

Pinned Blender 5.2 WM_OT_stl_export now generates binary and ASCII STL from the same selected two-triangle mesh using identical axis, scale, unit, evaluation, and modifier settings. The report keeps STL_BINARY/ascii_format=false and STL_ASCII/ascii_format=true as separate variants; it does not infer the format from the .stl extension or claim Web parsing/import support.

Evidence

build_blender_5.2.0/bin/blender -b --factory-startup --python tools/web/generate-stl-capability-fixtures.py -- tests/files/web/m12_stl_capability_v1 tests/golden/M12-07D/capability-report.json generated a 184-byte binary STL with two 50-byte triangle records and a 213-byte ASCII STL with two facets/six vertex lines.
node tools/web/check-stl-capability-fixtures.mjs matched runtime identity to M12-05A, validated both independent encodings, regenerated the report/files byte-for-byte in a fresh directory, and returned stl-capability-fixtures-ok binaryTriangles=2 asciiFacets=2 deterministic=true next=M12-07E.
Package hash remains frozen. This enabling task does not change N-023 parity or expose an STL UI route.

Artifact Hashes

parent manifest: 0c639954900b1fcc3b8285d0f4c0ecfa5807df6cde6d1f2cd3b59c4636d71674
generator: 8310104e66f246b32ac7cb4619e7f4da109baf2ece39ea670cbb6d33bd88c8b8
checker: b2ad901eaa9701436cf7bcc8aa4e40d1b2d6eda7c6c44a0af830347a37cc9ca8
desktop report: 29c7d2a6e6764440c99eec25bb5760c7e0880839691757fb3e607ed4f5050013
binary/ASCII fixtures: 50161172cd12e4240067064db6f80e74b2df69c475e3e34154e9d0523928c1ca / a463a5add8be070fb67b34f00ef6e7b46025aed31fa429d4a033d75a11cf0113
package: cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c
manifest: bbc78e47f389562e7d648bf49c9b3bf8a08aaa36e914589a6eab0a1f6e72748d

Next Task

M12-07E: STL normal, unit, degenerate-triangle, and trailing-byte parity.

Rollback

Remove the STL capability generator, checker, fixtures, report, manifest, and this status entry. Restore M12-07C as the queue tail and move the machine queue back to M12-07D. No parity ledger rollback is required.

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