Claude Opus 4.7 → OpenSCAD
B · Engineering-Aidedcomposite 51.6 [42.2, 59.7]p5 0.0IRT θ 8.4
Anthropic + OpenSCAD 2024.06· vopus-4.7 + openscad 2024.06· released 2026-01-22· LLM+OpenSCAD· emits OpenSCAD· proprietary· 1000k ctx· $0.015/$0.075 per 1k tok
Same prompt template as the Gemini pipeline. Output is mesh-only.
solid: agent · dashed: human baseline
PER-CATEGORY SCORE (95 % CI)
Geometric Primitives
0.0
Boolean Robustness
87.9
BREP Fidelity
34.6
Free-form Surfaces
84.2
Parametric Mechanical Parts
38.9
Assembly & Mating
43.9
Standards Compliance
51.6
Sheet-Metal Bodies
60.0
Sealing-Groove Design
63.8
Kinematic Mechanisms
56.9
DFM · 3-Axis CNC
63.2
DFM · Injection Mould
54.4
DFM · FDM 3D Print
71.3
CAM Toolpath Validity
52.5
Constraint Solving & Editability
29.3
Reverse Engineering
58.0
2-D Sketch Constraints
76.4
Functional Intent · FEA-Gated
51.5
Paraphrase Robustness
77.3
Confidence Calibration
39.5
MEAN METRICS BY LAYER
L1 · Geometry
| Category | Vol IoU | Chamfer | Hausdorff | NormCons | Watert. | Manif. | Euler | STEP RT | P@1 |
|---|---|---|---|---|---|---|---|---|---|
| Geometric Primitives | 0.000 | — | — | — | — | 0.000 | — | — | — |
| Boolean Robustness | 0.577 | — | — | — | — | 0.938 | — | — | — |
| BREP Fidelity | — | — | — | — | — | 0.862 | — | — | — |
| Free-form Surfaces | — | 0.216 | 1.039 | 0.758 | — | — | — | — | — |
L2 · Engineering
| Category | Dim RMSE | GD&T | FeatRec | Mating | Fit-Cls | Std |
|---|---|---|---|---|---|---|
| Parametric Mechanical Parts | 0.259 | 0.452 | 0.556 | — | — | — |
| Assembly & Mating | — | — | 0.595 | 0.480 | 0.242 | — |
| Standards Compliance | — | 0.454 | — | — | — | 0.578 |
| Sheet-Metal Bodies | 0.289 | — | 0.575 | — | — | — |
| Sealing-Groove Design | 0.259 | — | — | — | — | 0.534 |
| Kinematic Mechanisms | — | — | 0.545 | 0.546 | — | — |
L3 · Manufacturing
| Category | DFM | Draft | Min-Wall | CAM-Reach | Supp | Wall-Unif |
|---|---|---|---|---|---|---|
| DFM · 3-Axis CNC | 76.800 | — | 0.599 | 0.529 | — | — |
| DFM · Injection Mould | — | 0.542 | 0.536 | — | — | 0.554 |
| DFM · FDM 3D Print | 78.700 | — | 0.542 | — | 0.377 | — |
| CAM Toolpath Validity | — | — | — | 0.487 | — | — |
L4 · Cognition
| Category | ParamEdit | ConSolve | P-Range | FEA-σ | Para σ | Seed σ | Brier | EditLat |
|---|---|---|---|---|---|---|---|---|
| Constraint Solving & Editability | 0.588 | 0.629 | 0.542 | — | — | — | — | — |
| Reverse Engineering | — | — | — | — | — | — | — | — |
| 2-D Sketch Constraints | — | 0.606 | — | — | — | — | — | — |
| Functional Intent · FEA-Gated | — | — | — | 0.397 | — | — | — | — |
| Paraphrase Robustness | — | — | — | — | 0.046 | 0.045 | — | — |
| Confidence Calibration | — | — | — | — | — | — | 0.105 | — |
TASK-BY-TASK ARTIFACTS
PRIM-001Hollow cylinder (60 × 40 × 100)0.0000.00PRIM-007Right hexagonal prism with pitch fillet0.0000.00BOOL-003Coplanar-face union (knife-edge stress)0.5430.00BOOL-009High-genus subtraction (lattice block)0.6110.00BREP-004NURBS-handle goblet (G2 swept loft)0.0750.00SURF-002Compressor blade (NACA 65-(12)10)0.3540.00MECH-014L-bracket with M6 + slotted hole0.4890.00MECH-022Stepped shaft with retaining-ring groove0.0000.00MECH-027Planetary-gear carrier plate0.5150.00ASM-005Pin-in-hole, H7/g6 sliding fit0.4210.00ASM-011Dovetail slide (60° flanks)0.4610.00STD-002ISO 4762 M8×30 socket-head cap screw0.4990.00SHEET-003U-channel bracket, 1.5 mm Al, k=0.400.3740.00SEAL-001AS568-214 face-seal groove0.4130.00KIN-002Four-bar linkage, Grashof crank-rocker0.3950.00DFMCNC-0023-ax-machinable manifold block0.3830.00DFMMOLD-002Injection-mouldable enclosure half0.3540.00DFMFDM-008FDM-printable hinge (no support)0.4600.00CAM-0015-pocket plate, Ø3 endmill finish0.4860.00PARAM-006Editable flange (bolt circle param sweep)0.5550.00PARAM-013Editable bracket (length+30 %, hole→M8)0.0000.00REVENG-002Three-view ortho → bracket0.4150.00REVENG-009Three-view ortho → housing with cores0.3140.00SKETCH-003Tangent-arc transition profile0.5410.00FUNC-001Cantilever bracket — 250 N tip load, 6061-T6, SF≥40.1740.00FUNC-007Heat-sink fin array for 25 W TO-2200.1760.00PARA-0015× paraphrased L-bracket0.5550.00CAL-003Confidence-calibrated planetary carrier0.3660.00