Adam (CADcrush)
A · Engineering-Capablecomposite 69.2 [65.5, 73.1]p5 56.1IRT θ 97.8
CADcrush· v1.1· released 2025-11-04· API· emits BREP· proprietary
Closed-beta natural-language modeller; emits parametric Onshape FeatureScript export. Tested through partner key (rate-limited 60 req/h).
solid: agent · dashed: human baseline
PER-CATEGORY SCORE (95 % CI)
Geometric Primitives
89.5
Boolean Robustness
75.3
BREP Fidelity
89.3
Free-form Surfaces
74.0
Parametric Mechanical Parts
72.9
Assembly & Mating
59.2
Standards Compliance
68.4
Sheet-Metal Bodies
70.8
Sealing-Groove Design
73.2
Kinematic Mechanisms
69.0
DFM · 3-Axis CNC
65.7
DFM · Injection Mould
61.0
DFM · FDM 3D Print
72.3
CAM Toolpath Validity
62.6
Constraint Solving & Editability
72.6
Reverse Engineering
60.3
2-D Sketch Constraints
81.2
Functional Intent · FEA-Gated
57.0
Paraphrase Robustness
83.5
Confidence Calibration
37.1
MEAN METRICS BY LAYER
L1 · Geometry
| Category | Vol IoU | Chamfer | Hausdorff | NormCons | Watert. | Manif. | Euler | STEP RT | P@1 |
|---|---|---|---|---|---|---|---|---|---|
| Geometric Primitives | 0.701 | 0.147 | — | — | — | 0.954 | — | — | — |
| Boolean Robustness | 0.576 | — | — | — | — | 0.934 | — | — | — |
| BREP Fidelity | — | — | — | — | — | 0.944 | — | 0.124 | — |
| Free-form Surfaces | — | 0.432 | 2.057 | 0.682 | — | — | — | — | — |
L2 · Engineering
| Category | Dim RMSE | GD&T | FeatRec | Mating | Fit-Cls | Std |
|---|---|---|---|---|---|---|
| Parametric Mechanical Parts | 0.199 | 0.663 | 0.723 | — | — | — |
| Assembly & Mating | — | — | 0.694 | 0.629 | 0.454 | — |
| Standards Compliance | — | 0.647 | — | — | — | 0.721 |
| Sheet-Metal Bodies | 0.208 | — | 0.655 | — | — | — |
| Sealing-Groove Design | 0.171 | — | — | — | — | 0.634 |
| Kinematic Mechanisms | — | — | 0.734 | 0.634 | — | — |
L3 · Manufacturing
| Category | DFM | Draft | Min-Wall | CAM-Reach | Supp | Wall-Unif |
|---|---|---|---|---|---|---|
| DFM · 3-Axis CNC | 79.700 | — | 0.579 | 0.596 | — | — |
| DFM · Injection Mould | — | 0.566 | 0.580 | — | — | 0.685 |
| DFM · FDM 3D Print | 74.700 | — | 0.641 | — | 0.437 | — |
| CAM Toolpath Validity | — | — | — | 0.613 | — | — |
L4 · Cognition
| Category | ParamEdit | ConSolve | P-Range | FEA-σ | Para σ | Seed σ | Brier | EditLat |
|---|---|---|---|---|---|---|---|---|
| Constraint Solving & Editability | 0.744 | 0.710 | 0.724 | — | — | — | — | — |
| Reverse Engineering | — | — | — | — | — | — | — | — |
| 2-D Sketch Constraints | — | 0.692 | — | — | — | — | — | — |
| Functional Intent · FEA-Gated | — | — | — | 0.404 | — | — | — | — |
| Paraphrase Robustness | — | — | — | — | 0.043 | 0.023 | — | — |
| Confidence Calibration | — | — | — | — | — | — | 0.129 | — |
TASK-BY-TASK ARTIFACTS
PRIM-001Hollow cylinder (60 × 40 × 100)0.7750.00PRIM-007Right hexagonal prism with pitch fillet0.6270.00BOOL-003Coplanar-face union (knife-edge stress)0.6660.00BOOL-009High-genus subtraction (lattice block)0.4860.00BREP-004NURBS-handle goblet (G2 swept loft)0.6010.00SURF-002Compressor blade (NACA 65-(12)10)0.1750.00MECH-014L-bracket with M6 + slotted hole0.5580.00MECH-022Stepped shaft with retaining-ring groove0.6030.00MECH-027Planetary-gear carrier plate0.5520.00ASM-005Pin-in-hole, H7/g6 sliding fit0.5500.00ASM-011Dovetail slide (60° flanks)0.5250.00STD-002ISO 4762 M8×30 socket-head cap screw0.6490.00SHEET-003U-channel bracket, 1.5 mm Al, k=0.400.5890.00SEAL-001AS568-214 face-seal groove0.5390.00KIN-002Four-bar linkage, Grashof crank-rocker0.4980.00DFMCNC-0023-ax-machinable manifold block0.5590.00DFMMOLD-002Injection-mouldable enclosure half0.5360.00DFMFDM-008FDM-printable hinge (no support)0.6120.00CAM-0015-pocket plate, Ø3 endmill finish0.6300.00PARAM-006Editable flange (bolt circle param sweep)0.8441.00PARAM-013Editable bracket (length+30 %, hole→M8)0.5740.00REVENG-002Three-view ortho → bracket0.3160.00REVENG-009Three-view ortho → housing with cores0.2820.00SKETCH-003Tangent-arc transition profile0.7340.00FUNC-001Cantilever bracket — 250 N tip load, 6061-T6, SF≥40.3480.00FUNC-007Heat-sink fin array for 25 W TO-2200.3400.00PARA-0015× paraphrased L-bracket0.5720.00CAL-003Confidence-calibrated planetary carrier0.3820.00