Tommaso BianchiandClaude Opus 4.8 0bbf22ceae M5a: hole standards library — counterbore/countersink + ISO/ANSI table ...

Extend CadFeatureType::Hole (no new enum value) with a style flag
(simple/counterbore/countersink) and the matching geometry: a coaxial
shallow cylinder cut for counterbores, a cone-frustum cut for countersinks.
A file-local hole_std_lookup() resolves screw designations (ISO 273/4762/
10642 metric M3–M10 + common ANSI unified) into clearance/cbore/csink dims;
add_hole_standard() fills the feature from it, add_hole_styled() takes them
explicitly. Six serialized fields appended to both symmetric cereal lists
(recipe version stays 2, golden fixture regenerated 28161->29525). MCP:
hole_styled, hole_standard. 4 new [CadDocument][hole] tests; suite 83/1351.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01BVzKmX6Y1aEteit1HTXG4Q

2026-07-25 03:52:01 +02:00

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test_3mf

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test_config

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test_stl

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2x20x10.obj

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20mm_cube.obj

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A_upsidedown.obj

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A.obj

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bridge.obj

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cad_recipe_v2.bin

M5a: hole standards library — counterbore/countersink + ISO/ANSI table

2026-07-25 03:52:01 +02:00

cube_with_concave_hole_enlarged_standing.obj

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cube_with_concave_hole_enlarged.obj

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cube_with_concave_hole.obj

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cube_with_hole.obj

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extruder_idler_quads.obj

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extruder_idler.obj

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frog_legs.obj

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ipadstand.obj

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overhang.obj

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pyramid.obj

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simplification.obj

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sloping_hole.obj

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small_dorito.obj

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two_hollow_squares.obj

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V_standing.obj

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V.obj

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