MENTAL MODEL · M10137

Fibonacci Technique

CreatemediumDesign Thinking

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Updated 2026-08-13

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INTRODUCTION

English translation pending.

CORE DEFINITION

A technique that applies the Fibonacci sequence (1, 2, 3, 5, 8, 13...) to estimation or design, where ratios of adjacent numbers converge on the golden ratio. In estimation, the widening gaps between larger numbers encode the principle that bigger items are harder to pin down. In visual design, grids and spirals derived from the sequence guide how a frame is divided and where the main subject is placed.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

- Uncertainty-aware estimation: the widening gaps between larger Fibonacci numbers encode that bigger items deserve rougher and less precise estimates - Harmonious layout: place the main subject on a Fibonacci grid point or spiral focal point instead of dead center - Negative-space control: size margins and breathing room by the same proportional segments

anchor

Anchor fast decisions

A grid or spiral built from Fibonacci numbers divides a frame so that key elements land on points the visual system reads as comfortable and harmonious. It is the practical, integer-based form of the golden ratio, and in estimation it turns the insight that bigger means less certain into a usable scale.

MINIMUM ACTION

In progress 0/1

Practice this model in one real situation:

Decide whether the task is visual composition or size estimation. 2. For estimation, restrict the team's size choices to the Fibonacci set. 3. For layout, overlay a Fibonacci grid or spiral on the frame. 4. Place the main subject at a focal point rather than the center. 5. Size the margins and remaining space by the same proportions.

Check to track your progress (stored locally)

Learning progress0%

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Source support: Explicit

link
en.wikipedia.orghttps://en.wikipedia.org/wiki/FibonacciZH · Explicit
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