119 lines
3.8 KiB
JSON
119 lines
3.8 KiB
JSON
{
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"schema_version": "1.0",
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"request": "Modify the existing build123d connecting rod from the CAD Viewer selection: add a 2 mm wide blind slot along the selected segment on face f18, regenerate STEP, STL, and CAD Viewer mesh/topology assets.",
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"route": {
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"selected_backend": "build123d",
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"runner_skill": "cad",
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"project": "text-to-cad",
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"confidence": "high",
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"fallback_order": [
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"simplecadapi",
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"cadam"
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],
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"operation": "modify",
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"modification_strategy": "native_parameter_editing",
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"decision_path": "route-decision.json"
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},
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"source": {
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"path": "connecting_rod.py",
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"format": "python",
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"backend": "build123d"
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},
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"artifacts": [
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{
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"path": "connecting_rod.step",
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"role": "primary"
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},
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{
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"path": "connecting_rod.stl",
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"role": "secondary"
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},
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{
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"path": ".connecting_rod.step.glb",
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"role": "viewer_mesh_topology"
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},
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{
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"path": "connecting_rod_slot_review_20260723T100007Z.png",
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"role": "verification_snapshot"
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}
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],
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"parameters": {
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"center_distance_mm": 120.0,
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"thickness_mm": 14.0,
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"big_end_outer_diameter_mm": 56.0,
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"big_end_bore_diameter_mm": 36.0,
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"small_end_outer_diameter_mm": 36.0,
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"small_end_bore_diameter_mm": 20.0,
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"web_width_mm": 24.0,
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"pocket_depth_each_side_mm": 3.0,
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"viewer_slot_start_mm": [
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-28.73179347578467,
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-0.3844822039559189
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],
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"viewer_slot_end_mm": [
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24.36043904920138,
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-0.24367243243227724
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],
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"viewer_slot_surface_z_mm": 11.0,
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"viewer_slot_width_mm": 2.0,
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"viewer_slot_blind_depth_mm": 2.0,
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"viewer_slot_bottom_z_mm": 9.0
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},
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"experience": {
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"library": "../../../cad-experience-library/library.json",
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"context_kind": "generalized_cad_experience_query",
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"methods_applied": []
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},
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"assumptions": [
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"The selected face f18 is the existing top-pocket floor at z=11 mm, so the blind slot cuts inward into the material from z=11 mm down to z=9 mm.",
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"The CAD edit intent marks depth as blind but does not provide a numeric depth, so a conservative 2 mm blind depth was used.",
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"This V1 sample demonstrates routing and editability rather than a production-rated engine component.",
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"Material, fatigue loads, bearing fits, lubrication, fasteners, tolerances, and split big-end construction are intentionally out of scope."
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],
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"validation": [
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{
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"check": "STEP generation from editable source",
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"result": "scripts/cad step regenerated connecting_rod.step, connecting_rod.stl, and hidden CAD Viewer GLB/topology assets from connecting_rod.py.",
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"status": "pass"
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},
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{
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"check": "closed solid topology",
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"result": {
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"kind": "part",
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"shape_count": 1,
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"face_count": 23,
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"edge_count": 54,
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"bounds_mm": [
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165.978199,
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55.977382,
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14.0
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]
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},
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"status": "pass"
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},
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{
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"check": "selected-face slot placement",
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"result": "Original selected face f18 remains the top-pocket floor at z=11 mm; new slot bottom face f23 is centered at [-2.185677, -0.314077, 9.0].",
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"status": "pass"
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},
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{
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"check": "blind slot depth",
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"result": "Slot side faces span z=9.0 mm to z=11.0 mm.",
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"status": "pass"
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},
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{
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"check": "slot width",
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"result": "Slot end faces are cylinders with radius 1.0 mm, matching the requested 2.0 mm slot width.",
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"status": "pass"
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},
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{
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"check": "snapshot review",
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"result": "Isometric snapshot shows the connecting rod, existing top pocket, and the new narrow blind slot without visible breakage or disconnected geometry.",
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"status": "pass"
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}
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],
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"viewer_links": [
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"http://127.0.0.1:5175/?dir=%2FUsers%2Flk%2FProjects%2FcadSet%2Ftext-to-cad%2Fmodels%2Fcad-router-v1&file=connecting_rod.step"
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]
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}
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