Notes from
the studio.
Essays, engineering notes, and design thinking from the people who build Customei. Every post is written by the person who lived the problem — no ghostwriters, no growth hacks, no listicles.
CompanyFeatured · latest
The canvas becomes the product
Why we built Customei around a real-time personalization canvas, and what that unlocks for Shopify merchants who want their catalog to feel made-to-order.
More from the studio
3 posts
EngineeringInside the PixiJS v8 history engine
How we built a 60fps undo/redo system for a conditional, nested canvas editor — without ever regretting the last decision.
DesignDesigning for print, not pixels
Print-ready output is a completely different design target than screen. Here is what changes when you stop thinking in CSS and start thinking in CMYK.
GuidesSetting up Customei in ten minutes
A pragmatic walkthrough for Shopify merchants: install the app, publish a template, and ship your first personalized order before lunch.
Final word
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