PR-CAD: Progressive Refinement for Text-to-CAD Generation with LLMs
Original: Unified Controllable and Faithful Text-to-CAD Generation with LLMs
PR-CAD unifies text-to-CAD generation and editing through progressive LLM-driven refinement.
This arXiv paper introduces PR-CAD, a framework for controllable and faithful text-to-CAD generation with large language models. It treats CAD creation and editing as one progressive refinement process rather than separate tasks. The authors curate an interaction dataset and report state-of-the-art controllability and faithfulness on public benchmarks.
這篇論文聚焦在 Text-to-CAD，也就是把自然語言描述轉成可編輯的 CAD 模型。傳統 CAD 建模需要大量手動操作與專業知識，而近年 LLM 的進展讓研究者開始探索用文字生成 CAD。不過，作者指出既有方法常把「從零生成」和「後續編輯」視為分開任務，這會限制實務可用性，因為真實設計流程通常不是一次完成，而是不斷建立、調整、修正參數與局部幾何。
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