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InDesignLabs service

Prototyping Testing and Validation

Use physical evidence to expose weak assumptions, improve reliability and reduce the cost of discovering failures after tooling.

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Mechanical linkage undergoing instrumented load and cycle testing in an engineering laboratory

A prototype should answer a question. Building a polished model before isolating the critical uncertainty wastes time and hides risk. InDesignLabs plans and coordinates prototypes and tests from proof-of-principle rigs through integrated engineering prototypes and production-representative validation.

Learn before tooling locks the design

  • Match each prototype to a defined technical or user question.
  • Test mechanisms, loads, fits and interfaces before cosmetic refinement obscures them.
  • Set measurable acceptance criteria rather than relying on subjective approval.
  • Investigate failures systematically and convert findings into controlled changes.
  • Create a defensible progression from concept evidence to production readiness.

What we do

  • Prototype and validation strategy
  • Proof-of-principle mechanisms and test rigs
  • Appearance and ergonomic mock-ups
  • Functional alpha and beta prototypes
  • Prototype CAD and build documentation
  • 3D printing, CNC, fabrication and casting coordination
  • Prototype component and vendor selection
  • Functional and load-test planning
  • Mechanism cycle and endurance testing
  • Fit, clearance and assembly validation
  • Stability and tipping assessment
  • Drop, impact, thermal and ingress-test coordination
  • User and ergonomic evaluation
  • Competitive benchmark testing
  • Test fixture concept development
  • Failure investigation and root-cause analysis
  • Corrective design iteration
  • Pilot and first-article evaluation support

How the engagement works

  1. 01

    Define the question

    Set the hypothesis, failure condition, acceptance criterion and decision the prototype must enable.

  2. 02

    Choose fidelity

    Select the fastest credible build method and isolate high-risk functions.

  3. 03

    Build and instrument

    Coordinate suppliers, materials, fixtures and measurements around the required evidence.

  4. 04

    Test and diagnose

    Document results and separate root causes from symptoms.

  5. 05

    Iterate and verify

    Implement corrective changes and retest against the agreed criteria.

Typical deliverables

  • Prototype and test strategy
  • Prototype CAD and build package
  • Supplier-ready RFQs and coordination
  • Test methods and acceptance criteria
  • Prototype inspection and test findings
  • Failure and root-cause assessment
  • Design revisions and change record
  • Validation summary and recommendation

When to engage InDesignLabs

For products with unproven mechanisms, safety-critical loads, demanding ergonomic interactions, difficult packaging or a costly tooling decision ahead.

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Share the design maturity, unanswered questions, expected loads and available prototypes. We will propose the minimum builds and tests needed for the next decision.

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