Rodrigo Zambrano

Designerd building for other designers.

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About

I run Domino Effect, a design studio serving nonprofits. Engineer turned designer, now building free tools for freelancers at tools.dominoeffect.co.

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Maker History

Designer's Toolkit by Domino EffectFree pricing and scoping tools built for freelance designers
Apr 2026

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Joined Product HuntMarch 31st, 2026

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2mo ago

Designer's Toolkit by Domino Effect - Free pricing and scoping tools built for freelance designers

Business tools aren't built for designers. This toolkit is. 'Know Your Floor' calculates your true effective hourly rate, factoring in taxes, expenses, non-billable time, and profit margin, so you stop undercharging without realizing it. 'Scope Builder' breaks projects into workstreams and tasks so you can price with confidence instead of gut feeling. 100% free. No sign-up. No data collected. Runs entirely in your browser.