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SPECIFICTION
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CGBookcase

cgbookcase.com

Free plan Web
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Spec score 7.8 #12 of 27 in Texture Libraries

What it is

CGBookcase is a free web resource for physically based rendering textures and material guidance. Its catalog lists 566 free textures with filters for 1K, 2K, 4K, 6K, and 8K resolutions. Textures use the CC0 1.0 license, allowing free use without credit, including commercial work. A listed Manhole Cover 16 material includes Base Color, Height, Mask, Metallic, DirectX Normal, and Roughness maps. The site also provides the open-source Texture Tiling Tool, which helps make photoscanned surfaces seamless and repeatable through surface-aware blending, clone patches, and lighting equalization at seams. Guides cover Blender and Unreal Engine setup. The Blender guidance notes that DirectX normal maps need green-channel inversion for Blender’s OpenGL format. Sample Rock and Bark downloads are offered in 4K and 8K, with file sizes from 118MB to 958MB. Patrons can access a Google Drive folder containing all textures.

Spec sheet

Blender compatibility note
The Blender guide says CGBookcase normal maps are DirectX format and require inverting the green channel for Blender's OpenGL format.Read 2 Oct 2026 · cgbookcase.com
Blender guidance
CGBookcase provides a Blender guide covering base color, roughness, height, normal, metallic, ambient occlusion, leaves, and surface imperfections.Read 2 Oct 2026 · cgbookcase.com
Cookies and newsletter
The privacy page says first-party cookies are used only by the Patreon benefits tool for authentication and identifies Buttondown as the newsletter tool.Read 2 Oct 2026 · cgbookcase.com
Creator
Dorian Zgraggen says he runs the site in his spare time and creates free PBR textures and guides.Read 2 Oct 2026 · cgbookcase.com
Example file sizes
The tool page offers sample Rock and Bark textures in 4K and 8K, with listed file sizes from 118MB to 958MB.Read 2 Oct 2026 · cgbookcase.com
Patron benefit
The texture pages say patrons can access a Google Drive folder containing all the textures.Read 2 Oct 2026 · cgbookcase.com
Privacy and analytics
The privacy page says cgbookcase.com uses Cloudflare Web Analytics and embeds YouTube videos in privacy-enhanced mode.Read 2 Oct 2026 · cgbookcase.com
Texture catalog
The textures page lists 566 free textures and filters for 1K, 2K, 4K, 6K, and 8K resolutions.Read 2 Oct 2026 · cgbookcase.com
Texture license
The textures are published under the CC0 1.0 license and may be used for free without giving credit.Read 2 Oct 2026 · cgbookcase.com
Texture maps
The Manhole Cover 16 material lists Base Color, Height, Mask, Metallic, DirectX Normal, and Roughness maps.Read 2 Oct 2026 · cgbookcase.com
Texture Tiling Tool
The Texture Tiling Tool is open source software for quickly making photoscanned surfaces seamless and tileable.Read 2 Oct 2026 · cgbookcase.com
Tiling features
The tool offers surface-aware blending, clone patches, and equalization of lighting differences at texture seams.Read 2 Oct 2026 · cgbookcase.com
Unreal guidance
CGBookcase provides instructions for importing its maps and setting up materials in Unreal Engine.Read 2 Oct 2026 · cgbookcase.com
What it offers
CGBookcase provides PBR textures with the map types needed to create photorealistic materials.Read 2 Oct 2026 · cgbookcase.com

Plans and prices

CGBookcase PBR textures Free 566 free textures · CC0 1.0 license Read 2 Oct 2026 · cgbookcase.com
Texture Tiling Tool Free Free and open source software Read 2 Oct 2026 · cgbookcase.com

Every CGBookcase plan and price →

Strong points and limits

Strong points

  • 566 free textures
  • CC0 license permits use without credit
  • Resolutions from 1K through 8K
  • Multiple PBR map types
  • Open-source Texture Tiling Tool

Limits

  • Web access only
  • Blender requires DirectX-to-OpenGL normal adjustment
  • Some sample files are very large
  • Google Drive access is a patron benefit

Who it suits

CGBookcase suits artists and developers seeking freely licensed PBR materials for web-based workflows, Blender, or Unreal Engine. It also fits users who need an open-source tool for making scanned surfaces tileable.

Verdict

CGBookcase combines a sizeable CC0 texture catalog with map-specific guidance and a separate tiling tool. Users should account for normal-map format conversion in Blender and large sample downloads.

Where Specifiction places it

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