SemanticSlider3D: Training-Free Continuous Semantic Editing for 3D Objects

• URL: http://arxiv.org/abs/2608.18560v1
• Date: Wed, 19 Aug 2026 05:35:38 GMT
• Title: SemanticSlider3D: Training-Free Continuous Semantic Editing for 3D Objects
• Abstract summary: Fine-grained control over continuous semantic attributes of 3D objects is essential for 3D content creation.<n>We present SemanticSlider3D, a technique for continuous semantic attribute editing of 3D objects.<n>Our pipeline constructs a semantic editing direction in the latent space of a state-of-the-art 3D generation model.
• Score: 15.020969387249872
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Fine-grained control over continuous semantic attributes of 3D objects is essential for 3D content creation, but is not well supported by conventional 3D modeling workflows or prompt-based interaction with existing generative AI tools. While slider-based methods have proven effective for fine-grained semantic control in 2D image generation, no equivalent approach exists for 3D. Extending these 2D methods to 3D is non-trivial due to challenges unique to 3D, including geometric integrity and cross-view coherence. We present SemanticSlider3D, a technique for continuous semantic attribute editing of 3D objects that requires no per-attribute training. Given a user-specified attribute, our pipeline constructs a semantic editing direction in the latent space of a state-of-the-art 3D generation model, presenting a diverse and coherent spectrum of 3D variations. A technical validation on a dataset of 50 3D object-attribute pairs shows our method was preferred by all five human assessors across variation range, consistency, 3D object quality, and attribute disentanglement, over a baseline combining a 2D slider with an image-to-3D model. An exploratory study with six participants demonstrates that SemanticSlider3D supported decision-making in 3D prototyping and was perceived as a valuable addition to existing workflows.

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