XDen-1K

From the catalogue. Listed by one researcher from one source page.

• id: xden-1k
• kind: 3D assets and scenes
• robot or device: real objects with density fields and part annotations (class: other)
• how collected: X-ray style volumetric scanning
• size as stated: 1,000 objects, 137 categories
• hours: not stated | hours only claimed: none | episodes: not stated
• year: 2025
• organisation: not stated on opened page
• licence: not stated (class: not stated)
• access: not stated (class: not stated)
• link (paper): https://arxiv.org/abs/2512.10668
• note: First large set with physically grounded density.

Confirm the licence at the link before relying on it.