DAVINCI: A Single-Stage Architecture for Constrained CAD Sketch Inference
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Abstract (arXiv)
This work presents DAVINCI, a unified architecture for single-stage Computer-Aided Design (CAD) sketch parameterization and constraint inference directly from raster sketch images. By jointly learning both outputs, DAVINCI minimizes error accumulation and enhances the performance of constrained CAD sketch inference. Notably, DAVINCI achieves state-of-the-art results on the large-scale SketchGraphs dataset, demonstrating effectiveness on both precise and hand-drawn raster CAD sketches. To reduce DAVINCI's reliance on large-scale annotated datasets, we explore the efficacy of CAD sketch augmentations. We introduce Constraint-Preserving Transformations (CPTs), i.e. random permutations of the parametric primitives of a CAD sketch that preserve its constraints. This data augmentation strategy allows DAVINCI to achieve reasonable performance when trained with only 0.1% of the SketchGraphs dataset. Furthermore, this work contributes a new version of SketchGraphs, augmented with CPTs. The newly introduced CPTSketchGraphs dataset includes 80 million CPT-augmented sketches, thus providing a rich resource for future research in the CAD sketch domain.
Key facts. Cited by 6 papers in the map (data through 14 Oct 2026). Builds on 31 of its 46 references that are in the map. First posted on arXiv 30 Oct 2024.
Builds on
31 of 46 references.
References · 31
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19 more
- 2019Generating Multiple Hypotheses for 3D Human Pose Estimation with Mixture Density Networkcited by 92
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Built on by
Citing papers per year: 2024: 1; 2025: 3; 2026: 2.
6 papers.
- 2024CAD-Assistant: Tool-Augmented VLLMs as Generic CAD Task Solverscited by 40
- 2026Text-to-CAD Evaluation with CADTestscited by 10
- 2025Aligning Constraint Generation with Design Intent in Parametric CADcited by 8
- 2025MiCADangelo: Fine-Grained Reconstruction of Constrained CAD Models from 3D Scanscited by 5
- 2025PHT-CAD: Efficient CAD Parametric Primitive Analysis with Progressive Hierarchical Tuningcited by 3
- 2026CIT-CAD: Constraint Intent Tree-based CAD Code Generation and Verificationcited by 0
- 2026CIT-CAD: Constraint Intent Tree-based CAD Code Generation and Verification7 Sep 2026
- 2026Text-to-CAD Evaluation with CADTests8 May 2026
- 2025MiCADangelo: Fine-Grained Reconstruction of Constrained CAD Models from 3D Scans27 Oct 2025
- 2025Aligning Constraint Generation with Design Intent in Parametric CAD17 Apr 2025
- 2025PHT-CAD: Efficient CAD Parametric Primitive Analysis with Progressive Hierarchical Tuning23 Mar 2025
- 2024CAD-Assistant: Tool-Augmented VLLMs as Generic CAD Task Solvers18 Dec 2024