← All questionsGS3 · 2013 · Science & Technology ·3D Printing
QUESTION 18
GS3
5 marks

How does 3D printing technology work? List advantages and disadvantages of the technology.

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4 min
100 words
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What the examiner wants

Explain/Analyse the exact proposition in the PYQ — “How does 3D printing technology work? List advantages and disadvantages of the technology.” — using concept/chronology or mechanism, evidence on both sides where relevant, and a conclusion that answers the directive rather than merely describing 3D Printing.

Explain/AnalyseAnswer exactly what the question asks.

Demand-wise check

  1. 1For the prompt cue ‘How does 3D printing technology work? List advantages and disadvantages of the technology.’, directly answer: How does 3D printing technology work?≈20 words
  2. 2For the prompt cue ‘How does 3D printing technology work? List advantages and disadvantages of the technology.’, directly answer: List advantages and disadvantages of the technology≈20 words
  3. 3For the prompt cue ‘How does 3D printing technology work? List advantages and disadvantages of the technology.’, add one verified official-source anchor and a limitation/counterpoint specific to 3D Printing≈20 words

Open in about 20 words and close in about 20.

Answer plan

Define/contextualise 3D PrintingExplain mechanism/chronologyQuestion-specific evidence/examplesImplicationsConcise conclusion

Where marks usually go

  • For the prompt cue ‘How does 3D printing technology work? List advantages and disadvantages of the technology.’, avoid a generic note on 3D Printing; answer the actual wording/directive and the 3D Printing proposition
  • For the prompt cue ‘How does 3D printing technology work? List advantages and disadvantages of the technology.’, do not add examples around 3D Printing unless they prove, qualify or rebut the proposition asked

Value addition

  • 3-box flow: concept/context → core argument/evidence → implication/way forward
    → Draw it in the body, next to the point it supports.

Official source anchors

These are authoritative sources selected for this exact PYQ. Where a card is an official-domain anchor rather than a fact-level citation, verify the precise provision, definition or data point on the linked source before using it.