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| <span class="eyebrow">CADBench Extension Data · 100 Public Samples</span> |
| <h1>CADBench Extended Multimodal Dataset</h1> |
| <p class="lead">面向 CAD 重建、image-to-CAD、mesh-to-CAD 与多模态学习的公开样例集，包含网格、四视图、PBR、辅助监督、双语描述、Prompt、分级与 QA。</p> |
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| <a class="btn" href="https://github.com/gavin-sparkols/CADBench-Extended-Multimodal-Dataset">View Dataset on GitHub</a> |
| <a class="btn alt" href="https://github.com/gavin-sparkols/CADBench-Extended-Multimodal-Dataset/issues/new?template=full-dataset-access.yml&title=%5BFull%20Dataset%20Access%5D%20">Request 10,000+ Version</a> |
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| <main> |
| <div class="wrap"> |
| <section class="stats" aria-label="Dataset statistics"> |
| <div class="stat"><strong>100</strong><span>public CAD samples</span></div> |
| <div class="stat"><strong>1,800</strong><span>validated data files</span></div> |
| <div class="stat"><strong>5+4</strong><span>core + extended modalities</span></div> |
| <div class="stat"><strong>7</strong><span>prompts per sample</span></div> |
| </section> |
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| <h2>CAD 四视图 · Four-View CAD Gallery</h2> |
| <p class="muted">每个零件包含四个标准等距方向，以 2×2 形式呈现；公开集覆盖 Easy、Medium、Hard 三个复杂度等级。</p> |
| <img class="gallery" src="assets/cad_four_view_gallery_12.jpg" alt="CADBench extended CAD four-view dataset gallery with easy medium and hard samples" width="2350" height="1996"> |
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| <h2>Dataset Modalities</h2> |
| <div class="grid"> |
| <article class="card"><h3>Mesh</h3><p class="muted">Normalized clean STL/OBJ plus remeshed and perturbed noisy STL.</p></article> |
| <article class="card"><h3>Multi-view</h3><p class="muted">Single-view grayscale, four-view composites, and eight independent isometric views.</p></article> |
| <article class="card"><h3>PBR & Supervision</h3><p class="muted">Randomized PBR renders together with mask, depth, and normal images.</p></article> |
| <article class="card"><h3>Text</h3><p class="muted">Chinese and English geometric descriptions with seven task-oriented prompts.</p></article> |
| <article class="card"><h3>Splits</h3><p class="muted">Train/validation/test = 80/10/10 and difficulty = 40/35/25.</p></article> |
| <article class="card"><h3>QA</h3><p class="muted">Machine-readable schema, manifest, attribution, and validation evidence.</p></article> |
| </div> |
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| <h2>Searchable Research Keywords</h2> |
| <div class="chips"> |
| <span class="chip">CADBench extended dataset</span><span class="chip">CADBench extension data</span><span class="chip">multimodal CAD dataset</span> |
| <span class="chip">image-to-CAD</span><span class="chip">mesh-to-CAD</span><span class="chip">multi-view CAD</span> |
| <span class="chip">PBR CAD rendering</span><span class="chip">CadQuery dataset</span><span class="chip">3D mesh benchmark</span> |
| </div> |
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| <section class="notice"> |
| <h2>Full Dataset · 10,000+ Samples</h2> |
| <p>完整版提供更大规模的零件覆盖、多模态渲染、双语描述、Prompt、质量审计及定制字段。通过 GitHub Issue 联系维护者。</p> |
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| <footer>Independent CADBench extended public dataset sample · Third-party provenance shown without precise source links.</footer> |
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