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Petri Lahdelma

Design systems, UX, and shipping side projects. Building VertaaUX (AI UX/a11y audits). React + TypeScript, tokens, tooling and articles.

Location Helsinki, Finland Joined Joined on  Email address hello@petrilahdelma.com Personal website https://petrilahdelma.com github website twitter website

Education

Aalto University. Helsinki, Finland

Pronouns

He/him

Work

Lead Designer

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Enforcing Your Spacing Standards with Rhythmguard (A Custom Stylelint Plugin)
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Enforcing Your Spacing Standards with Rhythmguard (A Custom Stylelint Plugin)

#webdev #designsystem #css #tooling
Comments
3 min read
Why Your Tailwind Project Leaks Spacing (And How to Fix It in 5 Minutes)
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Why Your Tailwind Project Leaks Spacing (And How to Fix It in 5 Minutes)

#tailwindcss #css #webdev #designsystem
Comments
3 min read

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I Gave My AI Agent a UX Audit Superpower: CLI + MCP in 5 Minutes
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I Gave My AI Agent a UX Audit Superpower: CLI + MCP in 5 Minutes

#webdev #a11y #mcp #ai
Comments 2
5 min read
The European Accessibility Act Is the New GDPR — And You're Already Late
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The European Accessibility Act Is the New GDPR — And You're Already Late

#a11y #webdev #compliance #gdpr
1
Comments
12 min read
From Template to Tested Product: Launching the LLM Component Schema Standard
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From Template to Tested Product: Launching the LLM Component Schema Standard

#designsystem #ai #frontend #opensource
3
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3 min read
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