Plasterpiece

Limewashed & Roman Clay Backgrounds from Knight AI+AV.

I use this kind of hand-troweled, limewashed, Roman-clay texture across a lot of my applications. I love how it can make an interface feel warm and physical without becoming busy. I had accumulated enough of these surfaces that keeping them private started to feel silly, so here they are—for anyone building a site, an app, a deck, a desktop tool, or something I have not imagined yet.

No signup. No watermark. No attribution requirement. Just take them and build something beautiful.

What is included

• 25 curated material surfaces in one consistent 16:9 form factor
• lightweight 960×540 WebP previews in the repository
• ready-to-use 1920×1080 WebP files for web and app interfaces
• free 4K PNG, 8K WebP, and AVIF/WebP bundles in Releases
• manifest.json with tone, family, dominant color, and recommended text color
• CSS custom properties in tokens/plasterpiece.css
• SHA-256 checksums for every release file
• a responsive gallery with copy-ready CSS

The 4K and 8K editions are high-quality upscales of the original generated surfaces. They are genuine 3840×2160 and 7680×4320 files, but they are not misrepresented as native 8K photography. See the provenance note.

The ten new directions and the exact shared generation contract are documented in PROMPTS.md; the official trend sources are in RESEARCH.md.

Use one in CSS

@import url('./tokens/plasterpiece.css');

.surface {
  background-color: var(--plasterpiece-obsidian-clay-color);
  background-image: var(--plasterpiece-obsidian-clay);
  background-size: cover;
  color: var(--plasterpiece-obsidian-clay-text);
}

Downloads

The Git repository stays deliberately light. Full-resolution files are attached to the latest GitHub Release:

Pack	Contents
plasterpiece-4k-png.zip	25 lossless 3840×2160 PNG files
plasterpiece-8k-webp.zip	25 high-quality 7680×4320 WebP files
plasterpiece-web-app.zip	25 AVIF + 25 WebP files at 1920×1080
SHA256SUMS.txt	Verification hashes
ARCHIVE_SHA256SUMS.txt	Verification hashes for the three ZIP packs

ZIP is used instead of RAR because it works natively across Windows, macOS, Linux, build systems, and most design workflows.

License

CC0 1.0 Universal. Commercial use, modification, redistribution, and private use are allowed without attribution. A star or a quiet credit to Knight AI+AV is always appreciated, never required.