Qwen3 Coder → CadQuery
B · Engineering-Aidedcomposite 56.9 [52.1, 61.5]p5 31.9IRT θ 44.9
Alibaba + CadQuery 2.4· vqwen3-coder-32b + cadquery 2.4· released 2025-11-29· LLM+CadQuery· emits CadQuery· open· 128k ctx· $0.0008/$0.0024 per 1k tok
Code-specialized open-weight baseline. Strong at translating prompts into syntactically clean CadQuery, weaker at engineering judgement (e.g. picking sensible drafts).
solid: agent · dashed: human baseline
PER-CATEGORY SCORE (95 % CI)
Geometric Primitives
81.5
Boolean Robustness
48.2
BREP Fidelity
65.2
Free-form Surfaces
78.4
Parametric Mechanical Parts
57.3
Assembly & Mating
43.7
Standards Compliance
44.7
Sheet-Metal Bodies
61.1
Sealing-Groove Design
58.9
Kinematic Mechanisms
39.3
DFM · 3-Axis CNC
58.3
DFM · Injection Mould
48.0
DFM · FDM 3D Print
66.9
CAM Toolpath Validity
56.8
Constraint Solving & Editability
62.4
Reverse Engineering
57.6
2-D Sketch Constraints
80.0
Functional Intent · FEA-Gated
50.1
Paraphrase Robustness
71.9
Confidence Calibration
34.0
MEAN METRICS BY LAYER
L1 · Geometry
| Category | Vol IoU | Chamfer | Hausdorff | NormCons | Watert. | Manif. | Euler | STEP RT | P@1 |
|---|---|---|---|---|---|---|---|---|---|
| Geometric Primitives | 0.549 | 0.162 | — | — | — | 0.934 | — | — | — |
| Boolean Robustness | 0.414 | — | — | — | — | 0.915 | — | — | — |
| BREP Fidelity | — | — | — | — | — | 0.699 | — | 0.096 | — |
| Free-form Surfaces | — | 0.335 | 1.655 | 0.717 | — | — | — | — | — |
L2 · Engineering
| Category | Dim RMSE | GD&T | FeatRec | Mating | Fit-Cls | Std |
|---|---|---|---|---|---|---|
| Parametric Mechanical Parts | 0.298 | 0.417 | 0.601 | — | — | — |
| Assembly & Mating | — | — | 0.591 | 0.500 | 0.220 | — |
| Standards Compliance | — | 0.404 | — | — | — | 0.491 |
| Sheet-Metal Bodies | 0.268 | — | 0.607 | — | — | — |
| Sealing-Groove Design | 0.326 | — | — | — | — | 0.504 |
| Kinematic Mechanisms | — | — | 0.617 | 0.493 | — | — |
L3 · Manufacturing
| Category | DFM | Draft | Min-Wall | CAM-Reach | Supp | Wall-Unif |
|---|---|---|---|---|---|---|
| DFM · 3-Axis CNC | 75.950 | — | 0.497 | 0.492 | — | — |
| DFM · Injection Mould | — | 0.445 | 0.503 | — | — | 0.492 |
| DFM · FDM 3D Print | 71.400 | — | 0.493 | — | 0.403 | — |
| CAM Toolpath Validity | — | — | — | 0.520 | — | — |
L4 · Cognition
| Category | ParamEdit | ConSolve | P-Range | FEA-σ | Para σ | Seed σ | Brier | EditLat |
|---|---|---|---|---|---|---|---|---|
| Constraint Solving & Editability | 0.650 | 0.650 | 0.572 | — | — | — | — | — |
| Reverse Engineering | — | — | — | — | — | — | — | — |
| 2-D Sketch Constraints | — | 0.672 | — | — | — | — | — | — |
| Functional Intent · FEA-Gated | — | — | — | 0.384 | — | — | — | — |
| Paraphrase Robustness | — | — | — | — | 0.052 | 0.060 | — | — |
| Confidence Calibration | — | — | — | — | — | — | 0.161 | — |
TASK-BY-TASK ARTIFACTS
PRIM-001Hollow cylinder (60 × 40 × 100)0.5080.00PRIM-007Right hexagonal prism with pitch fillet0.6150.00BOOL-003Coplanar-face union (knife-edge stress)0.3690.00BOOL-009High-genus subtraction (lattice block)0.3400.00BREP-004NURBS-handle goblet (G2 swept loft)0.5680.00SURF-002Compressor blade (NACA 65-(12)10)0.1550.00MECH-014L-bracket with M6 + slotted hole0.4270.00MECH-022Stepped shaft with retaining-ring groove0.5520.00MECH-027Planetary-gear carrier plate0.4900.00ASM-005Pin-in-hole, H7/g6 sliding fit0.4290.00ASM-011Dovetail slide (60° flanks)0.5000.00STD-002ISO 4762 M8×30 socket-head cap screw0.4130.00SHEET-003U-channel bracket, 1.5 mm Al, k=0.400.4920.00SEAL-001AS568-214 face-seal groove0.3840.00KIN-002Four-bar linkage, Grashof crank-rocker0.2780.00DFMCNC-0023-ax-machinable manifold block0.5280.00DFMMOLD-002Injection-mouldable enclosure half0.3780.00DFMFDM-008FDM-printable hinge (no support)0.5850.00CAM-0015-pocket plate, Ø3 endmill finish0.4210.00PARAM-006Editable flange (bolt circle param sweep)0.6130.00PARAM-013Editable bracket (length+30 %, hole→M8)0.5340.00REVENG-002Three-view ortho → bracket0.3300.00REVENG-009Three-view ortho → housing with cores0.2960.00SKETCH-003Tangent-arc transition profile0.6520.00FUNC-001Cantilever bracket — 250 N tip load, 6061-T6, SF≥40.1880.00FUNC-007Heat-sink fin array for 25 W TO-2200.1740.00PARA-0015× paraphrased L-bracket0.6310.00CAL-003Confidence-calibrated planetary carrier0.3660.00PRIM-002Sphere with planar cap0.5490.00PRIM-003Right truncated cone (frustum)0.6310.00PRIM-004Square-base pyramid frustum0.6770.00PRIM-005Tilted-axis box (30°)0.5320.00PRIM-009Hollow torus (Ø100 mean × Ø8 tube, 1 mm wall)0.3310.00BOOL-001Tangent cylinder onto cube (line-of-contact)0.3960.00BOOL-002Two interpenetrating spheres (lens intersection)0.5430.00BOOL-005ε-offset extrusion (sliver-face stress)0.4230.00BREP-001Periodic-spline cylinder (closed in U)0.6040.00BREP-002G1-only loft (tangent discontinuity)0.0000.00BREP-007Trimmed sphere with hole through pole0.5170.00SURF-001Ergonomic mug handle (revolved spline)0.3480.00SURF-007Mouse top-shell (Class-A)0.2490.00MECH-002Bearing block — two 6204 deep-groove bearings0.3810.00MECH-005Cam-follower lever (eccentric pivot)0.4900.00MECH-018Heat-set insert boss array (4× M3)0.5830.00MECH-031Threaded cap with diamond knurl0.4260.00ASM-001Threaded coupling M16×1.5 (male+female pair)0.4870.00ASM-008Spline shaft + hub (DIN 5480 W25×1.25×18)0.3340.00ASM-013Bayonet quarter-turn mount0.2690.00STD-001ISO 7050 self-tapping screw ST4.2 × 160.3910.00STD-005ISO 8734 dowel pin Ø6 m6 × 300.4030.00STD-008ASME B18.6.3 button-head 1/4-20 × 5/80.4350.00SHEET-001Box-pan with corner relief cuts0.5280.00SHEET-0073-bend electronics chassis0.5890.00SEAL-004AS568-218 piston-type radial groove0.3930.00SEAL-007ISO 3601-2 quad-ring face groove0.4970.00KIN-005Geneva drive — 4 station0.3230.00KIN-008Planetary gearset full mesh (sun + 3 planets + ring)0.0000.00DFMCNC-0054-pocket plate, R 0.5 internal corners0.4380.00DFMCNC-009Long-aspect bracket (vise-fixturable)0.5350.00DFMCNC-0135-axis-only fish-mouth saddle0.4610.00DFMMOLD-005Telephone handset shell0.2500.00DFMFDM-002Bridge-test calibration cube0.6780.00DFMFDM-011Print-in-place hinge0.4400.00CAM-005T-slot pocket array (Ø 8 + Ø 4 endmills)0.3950.00PARAM-009Configurable bottle (height + cap params)0.4490.00REVENG-005ABC dataset stepped pulley (multi-view)0.4910.00SKETCH-014Symmetric four-bar profile0.4760.00FUNC-003Heat-sink for 60 W CoB LED0.3210.00PARA-0055× paraphrased planetary carrier0.5370.00CAL-007Confidence-bracketed mounting flange0.3470.00