Studio Matrx Monthly · Volume 1 · Issue 2 · July 2026
Amogh N P
 In loving memory of Amogh N P — Architect · Designer · Visionary 
A design-studio project wall densely covered with colourful sticky notes, hand sketches, printed photos and yarn connections — the externalised thinking of a human-centred design process, no people, no legible text.
Unit IDesign Thinking

Introduction to Design Thinking

A human-centred, iterative way to turn a fuzzy problem into a fitted solution.

Design thinking borrows the working methods of designers and applies them to problems of many kinds. Its commitments are constant: start from the real needs of the people who will use the outcome — for interiors, the occupants — learn by making and testing rough versions, and reason toward what could be. Taught honestly as a useful but contested lens, not gospel.

Learning objectives

By the end of this lesson, you will be able to — mapped to the course outcomes for Design Thinking:

1
CO1 · Understand

Explain what design thinking is and the desirability-feasibility-viability balance.

2
CO1 · Understand

Describe design thinking's layered history without treating it as a single invention.

3
CO2 · Analyse

Distinguish divergent from convergent, and creative from critical, thinking.

4
CO2 · Evaluate

Discuss design thinking honestly as a useful but contested lens.

Human-centred & iterative

What design thinking is

A human-centred, iterative, solution-focused approach — balancing what is desirable, feasible and viable — with a layered history, not a single invention.[1, 2]

Desirable · feasible · viable Desirable people want it Feasible we can build it Viable budget works good solution Design thinking starts from DESIRABILITY — the human need first. Not from what is easy to build or easy to sell.
DiagramA good solution sits where desirable, feasible and viable overlap; design thinking starts from desirability

Human-centred and iterative

Design thinking is a human-centred, iterative, solution-focused approach to problem-solving. Human-centred: start from the real needs, behaviours and context of the people who will use the outcome — for interiors, the OCCUPANTS — not from the designer's taste or the client's assumptions. Iterative: learn by making and testing rough versions, then loop back — not by planning everything up front.[1, 2]

A layered lineage, not one invention 1969SimonSciences ofthe Artificial 1973'wickedproblems' 1991IDEO formed 2005Stanfordd.school 2008Brown, HBR'Design Thinking' Popularised by IDEO & the d.school — but the ideas are older. A useful, contested lens.
DiagramDesign thinking as a layered lineage — Simon 1969, wicked problems 1973, IDEO 1991, the d.school 2005, Tim Brown 2008
Diverge / converge · create / critique

The thinking beneath it

The fundamental rhythm — diverge to generate, converge to decide — and the difference between creative and critical thinking.[3]

Diverge, then converge DIVERGE generate many options CONVERGE narrow to a choice Never generate and judge at once — that kills the wild ideas that lead to breakthroughs.
DiagramThe diverge-converge rhythm — open up to generate options, then narrow to decide

The fundamental rhythm

Design thinking alternates two modes, never both at once. DIVERGE — open up, generate many options (Empathize, Ideate). CONVERGE — narrow down, select and refine (Define, Test/select). Knowing which mode you are in is the core discipline: generating and judging at the same time kills the wild ideas that lead to breakthroughs.[3]

Creative and critical thinking Creative generative · divergent • produces possibilities• many answers• defer judgment, 'yes-and'• Empathize, Ideate Critical evaluative · convergent • judges and tests• narrows to the best• apply judgment• Define, Test / select Both are needed — the skill is knowing which mode you are in.
DiagramCreative thinking generates possibilities; critical thinking evaluates and selects
The two modes

At a glance

AspectDivergent / creativeConvergent / critical
PurposeDivergent: generate optionsConvergent: choose / decide
Thinking typeCreative, generativeCritical, evaluative
MindsetDefer judgment, 'yes-and'Apply judgment, 'which is best?'
StagesEmpathize, IdeateDefine, Test / select
OriginMyth: IDEO invented itReality: older roots — Simon 1969, wicked problems 1973
Vocabulary

Key terms

Human-centred

Starting design from the real needs and behaviour of the people who will use it.

Iterative

Learning by making and testing rough versions, then looping back.

Abductive reasoning

Inference toward the best possibility — the logic of 'what could be' (Martin).

Desirable / feasible / viable

The three overlapping lenses of a good solution (IDEO).

Divergent vs convergent

Generating many options vs narrowing to a choice.

Wicked problem

An ill-defined, interdependent problem with no single right answer (Rittel & Webber, 1973).

Apply it

Studio task

Pick a small everyday frustration in a space you know. Write one sentence each on why solving it is desirable (to whom), feasible, and viable. Then list five ideas without judging them (divergent), and only afterwards circle the two you would take forward (convergent) — noticing the switch in your own thinking.

Check your understanding

Self-assessment

1. Design thinking is best described as —

2. Creative (divergent) thinking is to critical (convergent) thinking as —

3. Who wrote The Sciences of the Artificial (1969), an early root of design thinking?

In a nutshell

Recap

Design thinking is human-centred, iterative and solution-focused — it starts from the people who will use the outcome.
A good solution balances desirability, feasibility and viability, starting from the human need.
The rhythm is diverge (generate) then converge (decide); create, then critique — never both at once.
Its history is a layered lineage (Simon 1969 → design-methods → IDEO/d.school → Brown 2008), not one invention.
It is a useful but contested lens — present it honestly, with its limits, not as a guaranteed formula.
The evidence

References & further reading

  1. [1]Herbert A. Simon, The Sciences of the Artificial, MIT Press, 1969.
  2. [2]Tim Brown, 'Design Thinking', Harvard Business Review, June 2008; and Change by Design, HarperBusiness, 2009.
  3. [3]Stanford d.school (Hasso Plattner Institute of Design), An Introduction to Design Thinking — Process Guide.
  4. [4]Roger Martin, The Design of Business, Harvard Business Press, 2009 (abductive reasoning, the knowledge funnel).
  5. [5]Horst Rittel & Melvin Webber, 'Dilemmas in a General Theory of Planning', Policy Sciences, 1973 ('wicked problems').

Further reading

  • Herbert A. Simon — The Sciences of the Artificial.
  • Tim Brown — Change by Design.
  • Roger Martin — The Design of Business.

Sources gathered and fact-checked June 2026. Published values vary by source, sample and method — treat as indicative and confirm against the cited standard before structural use.

A

The author

Amogh N P

Architect, interior designer, and creative polymath. Studio Matrx began in his notebooks — his vision of design made honest, useful, and open to everyone. Its Academy is written and taught in his memory, and free, forever.

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