Make a Museum-Quality Poster
Give it a subject and get back a one-page poster as a PNG or PDF, plus the art-movement manifesto behind it, set in fonts from the 54 it ships with.
Install the skill or give me an instruction how to install it - canvas-design from https://github.com/anthropics/skills Free Open source Works in Claude, Cursor, Codex & more
What it does
Ask for a poster, an art piece or another static design and get back a single-page PNG or PDF meant to read as art, not clip art. With it comes a Markdown file holding the design philosophy behind the piece: a newly named art movement, written up in four to six paragraphs.
Canvas Design works in two steps. First it invents the movement, with a one- or two-word name, and sets its rules for space, form, color, scale and hierarchy. Then it expresses that philosophy on the canvas through repeating patterns, precise shapes, a limited palette and sparse, clinical type, with your subject woven in as a quiet reference that people who know it will catch.
Words stay at about a tenth of the piece, set in typefaces from its own library of 54 font files across 29 families, from Instrument Serif to IBM Plex Mono. Before handing the work over it takes a second pass that refines what is already there instead of adding more, and checks that nothing overlaps or runs off the edge.
When to use it
- You need a poster people actually stop to look at
It treats your event or subject as an art piece, built from patterns, shapes and a limited palette, with only the essential words on the page.
- Your designs keep coming out cartoony or generic
It writes a full aesthetic philosophy before drawing anything, so every color, shape and font choice follows one deliberate direction instead of a template.
- You want an art print on a theme without spelling it out
Name a subject and get an abstract composition where the topic lives as a subtle reference, saved as a PNG or PDF you can print.
- You need a short series of matching pages
Ask for more pages and each one becomes a distinct variation on the same philosophy, bundled into one PDF or delivered as a set of PNGs.
FAQ
What do I get back?
A one-page PNG or PDF and a Markdown file with its design philosophy. Canvas Design names a new art movement, writes it up in four to six paragraphs, then expresses it on the canvas. If you ask for more pages, they come bundled in one PDF or as several PNGs.
Does it need an API key or an image generator?
No. Canvas Design is a set of instructions plus 54 bundled font files, with no API calls. Your agent draws the canvas itself in code, using shapes, patterns and those fonts, so it needs an environment that can write a PNG or PDF.
Will it copy a famous artist's style?
No. Canvas Design is told to make original work and never copy existing artists, to avoid copyright problems. It invents and names a fresh movement for each piece, and your subject shows up only as a subtle reference inside the art.
How is this different from just asking my agent for a poster?
Canvas Design sets the aesthetic rules before it draws, then treats them like a field manual: dense repeated marks, systematic reference markers, a limited palette and minimal type. It also runs a second pass that polishes what exists rather than adding more graphics.