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Sanjeewa Dehiwalage

GarmentEd Global — Garment Manufacturing Learning Hub

Learn Garment Manufacturing. Build Skills. Advance Your Career.

Learn Every Role. Understand Every Process. Advance the Industry.

Start LearningExplore Lifecycle
  1. Customer
  2. Design
  3. Material
  4. Sample
  5. Production
  6. Quality
  7. Delivery

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Roles

12 role pathways from foundational to advanced.

MerchandiserOwns the buyer relationship, T&A, costing and order execution.

Responsibilities

  • Order intake and buyer communication
  • Costing, negotiation and margin protection
  • Time & action calendar ownership
  • Cross-functional coordination from sample to shipment

Skill map

foundational
  • Garment construction basics
  • Costing sheet reading
  • Email etiquette
intermediate
  • Fabric consumption
  • Critical path management
  • Buyer manuals
advanced
  • Margin recovery
  • Risk escalation
  • Portfolio negotiation

Learning sequence

  1. Learn garment parts and construction
  2. Read a buyer tech pack end to end
  3. Build a simple cost sheet
  4. Track one live order on a T&A
  5. Handle a real fabric or trim delay

Tools & resources

  • Cost sheets
  • Buyer tech packs
  • T&A templates
  • ERP order module

Career progression

  • Trainee → Merchandiser → Senior Merchandiser → Merchandising Manager → Head of Merchandising

Related

customerdesignmaterialplanningdeliverymerchandisingplanning
Pattern MakerTranslates design intent into production-ready patterns and fit.

Responsibilities

  • Interpret sketches and tech packs into blocks
  • Develop first, fit and size-set patterns
  • Own grading and marker readiness
  • Resolve fit issues with sampling

Skill map

foundational
  • Body measurements
  • Pattern symbols
  • Seam allowances
intermediate
  • Grading rules
  • Fit balance
  • Digital CAD basics
advanced
  • Complex fit correction
  • Stretch fabric behaviour
  • Block library management

Learning sequence

  1. Learn body landmarks and measurement points
  2. Draft a basic bodice/trouser block by hand
  3. Move to CAD and re-draft the same block
  4. Grade one style across a size range
  5. Correct a real fit comment in sampling

Tools & resources

  • Manual pattern tools
  • CAD pattern software
  • Grading rulebooks

Career progression

  • Trainee → Pattern Maker → Senior Pattern Maker → CAD Manager

Related

designsamplecuttingpattern-samplequality
Sample TailorBuilds the first physical proof of a design and drives approval loops.

Responsibilities

  • Cut and sew proto, fit, PP and size-set samples
  • Log construction issues for the pattern room
  • Feed operation methods forward to industrial engineering

Skill map

foundational
  • Machine operation
  • Reading a pattern
  • Sample tag discipline
intermediate
  • Complex construction
  • Fabric handling
  • Time discipline on protos
advanced
  • Development leadership
  • Method proposal
  • Mentoring

Learning sequence

  1. Master 3-5 core machines
  2. Sew a full prototype from a tech pack
  3. Attend one live fit session and take notes
  4. Propose a construction change that saves time

Tools & resources

  • Sewing machines
  • Fusing press
  • Sample manuals

Career progression

  • Sample Tailor → Senior Sample Tailor → Sample Room In-Charge

Related

samplepattern-sample
Industrial EngineerEngineers the line, methods, SMV, layout and target-vs-actual.

Responsibilities

  • Time study, SMV setting and method engineering
  • Line balancing and layout design
  • Capacity planning and OEE tracking

Skill map

foundational
  • Stopwatch time study
  • Basic Excel
  • Operation breakdown
intermediate
  • GSD/SMV
  • Line balancing
  • Bottleneck analysis
advanced
  • Lean layouts
  • Data-driven productivity
  • Coaching supervisors

Learning sequence

  1. Do a full time study on one operation
  2. Break down a full style into operations
  3. Balance a real line for a new style
  4. Track and improve one bottleneck for a week

Tools & resources

  • Stopwatch
  • GSD software
  • Line balancing sheets

Career progression

  • Trainee IE → IE → Senior IE → IE Manager → Head of IE

Related

planningproductionie-productionplanning
Production SupervisorRuns a sewing line hourly — people, method, quality and output.

Responsibilities

  • Daily line planning and hourly output
  • Operator training and re-allocation
  • First-line quality and rework control

Skill map

foundational
  • Machine parts
  • Basic operations
  • People handling
intermediate
  • Line balancing on the floor
  • In-line QA
  • Meeting daily target
advanced
  • Coaching operators
  • Root cause on the line
  • Shift leadership

Learning sequence

  1. Shadow a strong supervisor for one full style
  2. Run hourly board on a small line
  3. Handle one absentee crisis
  4. Recover a slow start on a new style

Tools & resources

  • Hourly production board
  • Skill matrix
  • Rework log

Career progression

  • Trainee → Supervisor → Senior Supervisor → Floor In-Charge → Production Manager

Related

productionie-productionquality
QA InspectorGuards conformance against tech pack, AQL and buyer manuals.

Responsibilities

  • In-line, end-line and final inspection
  • Defect logging and feedback loops
  • AQL sampling and disposition

Skill map

foundational
  • Measurement points
  • Common defects
  • AQL basics
intermediate
  • Traffic light system
  • Root cause tagging
  • Buyer specific manuals
advanced
  • Audit facing
  • Statistical control
  • QA training design

Learning sequence

  1. Learn to measure one product accurately
  2. Do 200 defect classifications with a mentor
  3. Run one AQL sampling from scratch

Tools & resources

  • Tape, gauges
  • AQL tables
  • Buyer measurement charts

Career progression

  • Trainee → QA → Senior QA → QA Executive → QA Manager

Related

productionquality-finalquality
Quality ManagerOwns the quality system end-to-end and buyer audit performance.

Responsibilities

  • Quality strategy, KPIs and systems
  • Audit readiness and non-conformance closure
  • Coaching QA leaders and driving upstream fixes

Skill map

foundational
  • Full inspection knowledge
  • Buyer standards
intermediate
  • Root cause frameworks
  • Corrective action
  • Data reporting
advanced
  • Quality culture change
  • Multi-site quality systems

Learning sequence

  1. Read three buyer quality manuals
  2. Run a full audit prep for one style
  3. Close one systemic defect with data

Tools & resources

  • Quality dashboards
  • CAPA templates
  • Buyer manuals

Career progression

  • QA Manager → Sr. QA Manager → Head of Quality → DGM Quality

Related

quality-finalquality
Production PlannerTurns order book into a feasible factory schedule, hour by hour.

Responsibilities

  • Master schedule and line loading
  • Material availability alignment
  • Delivery risk visibility

Skill map

foundational
  • Style, order and capacity concepts
intermediate
  • Line loading
  • Capacity levelling
  • T&A links
advanced
  • Scenario planning
  • Constraint-based scheduling

Learning sequence

  1. Load one line for two weeks manually
  2. Handle one late fabric arrival
  3. Reforecast a delivery date with data

Tools & resources

  • Planning boards
  • Planning software
  • Capacity sheets

Career progression

  • Trainee Planner → Planner → Senior Planner → Planning Manager

Related

planningmaterialplanningmerchandising
Cutting In-ChargeOwns marker efficiency, spreading, cutting quality and bundle release.

Responsibilities

  • Marker efficiency and fabric utilisation
  • Spreading and cutting quality
  • Bundle numbering and shade grouping

Skill map

foundational
  • Fabric direction
  • Marker basics
intermediate
  • Auto cutter operation
  • Shade band management
advanced
  • End-loss reduction
  • Cross-style efficiency

Learning sequence

  1. Do one full spread and cut manually
  2. Save 1% marker efficiency on one style
  3. Manage one shade band crisis

Tools & resources

  • Auto cutters
  • Spreaders
  • Marker software

Career progression

  • Cutter → Cutting In-Charge → Cutting Manager

Related

cuttingcutting
Wash Technician (Denim / Garment)Owns wash recipes, shade approvals, water/chemical and finish quality.

Responsibilities

  • Recipe development and lot approvals
  • Chemical, water and energy control
  • Sustainable wash conversion

Skill map

foundational
  • Fabric behaviour
  • Basic chemistry
intermediate
  • Laser and ozone basics
  • Shade approval discipline
advanced
  • Sustainable finishing
  • Impact scoring
  • Innovation trials

Learning sequence

  1. Assist a live shade approval
  2. Convert one style to a lower-impact recipe
  3. Track water and chemical usage for a week

Tools & resources

  • Wash machines
  • Laser units
  • Impact scoring tools

Career progression

  • Wash Operator → Technician → Wash Manager → R&D Head

Related

wet-processingdigital-aiquality
Compliance & Sustainability LeadOwns social, environmental and legal compliance and reporting.

Responsibilities

  • Buyer and legal audit management
  • Grievance systems and worker voice
  • ESG data collection and reporting

Skill map

foundational
  • Local labour law
  • Basic ESG concepts
intermediate
  • Audit response
  • CAPA management
advanced
  • Certification strategy
  • ESG reporting systems

Learning sequence

  1. Shadow one social audit end to end
  2. Close a real non-conformance with evidence
  3. Prepare one ESG report cycle

Tools & resources

  • Audit trackers
  • ESG platforms
  • Grievance logs

Career progression

  • Compliance Officer → Manager → Head of Compliance & Sustainability

Related

productiondeliverycompliance
Training & Skill Development LeadBuilds operator, staff and supervisor capability systemically.

Responsibilities

  • Skill matrix and gap analysis
  • Training design and delivery
  • Certification and career pathing

Skill map

foundational
  • Adult learning basics
  • Operation knowledge
intermediate
  • Skill matrix design
  • On-the-job coaching
advanced
  • Learning system design
  • Impact measurement

Learning sequence

  1. Design one operator training for a new operation
  2. Coach one supervisor for a month
  3. Measure output impact of a training round

Tools & resources

  • Skill matrices
  • Training modules
  • LMS or trackers

Career progression

  • Trainer → Senior Trainer → Head of Training

Related

productionie-productionquality

Lifecycle

12 stages from customer to post-delivery.

Stage 1Customer & Order

Understand the buyer, capture requirements and confirm an order.

Roles

  • Merchandiser

Inputs

  • Buyer forecast
  • Style brief
  • Target price

Outputs

  • Confirmed order
  • Delivery window

Risks

  • Ambiguous specs
  • Unrealistic timelines

Tools

  • CRM / order log
  • Cost sheets

Learning

  • Read a tech pack
  • Basic negotiation
Stage 2Design & Tech Pack

Finalise design, construction, measurements and construction notes.

Roles

  • Merchandiser
  • Pattern Maker

Inputs

  • Sketches
  • Trend direction
  • Fabric options

Outputs

  • Approved tech pack
  • First patterns

Risks

  • Late spec changes
  • Unbuildable details

Tools

  • Tech pack templates
  • CAD

Learning

  • Interpret tech packs
  • Basic pattern reading
Stage 3Material Sourcing

Source fabric, trims and accessories on time and to spec.

Roles

  • Merchandiser
  • Production Planner

Inputs

  • Approved BOM
  • Vendor list

Outputs

  • Confirmed POs
  • Booked deliveries

Risks

  • Late deliveries
  • Testing failures

Tools

  • ERP
  • Vendor scorecards

Learning

  • BOM discipline
  • Vendor management
Stage 4Sampling & Approval

Prove the product physically and secure buyer approval.

Roles

  • Pattern Maker
  • Sample Tailor
  • Merchandiser

Inputs

  • Pattern
  • Fabric
  • Trims

Outputs

  • Approved proto, fit, PP, size-set

Risks

  • Endless fit loops
  • Late PP approval

Tools

  • Sample tags
  • Fit comment sheets

Learning

  • Sample flow
  • Fit reading
Stage 5Planning & Pre-production

Convert the order into a feasible factory plan.

Roles

  • Production Planner
  • Industrial Engineer

Inputs

  • Order book
  • Capacity
  • Material readiness

Outputs

  • Line plan
  • T&A
  • SMV file

Risks

  • Over-loading
  • Ignored constraints

Tools

  • Planning boards
  • GSD

Learning

  • Line loading
  • SMV logic
Stage 6Cutting

Cut fabric efficiently and correctly, with traceability.

Roles

  • Cutting In-Charge

Inputs

  • Approved marker
  • Fabric
  • Cutting plan

Outputs

  • Bundled panels
  • Shade cards

Risks

  • Shade mixing
  • Bundle miscount

Tools

  • Auto cutter
  • Spreader

Learning

  • Marker efficiency
  • Shade discipline
Stage 7Sewing Production

Assemble garments to spec, on target, with quality.

Roles

  • Production Supervisor
  • Industrial Engineer
  • QA Inspector

Inputs

  • Bundles
  • Line plan
  • Operator skill

Outputs

  • Sewn garments

Risks

  • Bottlenecks
  • Rework spikes
  • Absenteeism

Tools

  • Hourly board
  • In-line QA sheet

Learning

  • Line balancing
  • In-line QA
Stage 8Wet Processing / Finishing

Wash, dye or finish garments to buyer standard.

Roles

  • Wash Technician (Denim / Garment)

Inputs

  • Sewn garments
  • Approved recipe

Outputs

  • Washed / finished garments

Risks

  • Shade rejects
  • Excess water and chemical use

Tools

  • Wash machines
  • Laser / ozone units

Learning

  • Recipe discipline
  • Sustainable finishing
Stage 9Final Quality & Inspection

Confirm the shipment meets AQL and buyer manual.

Roles

  • QA Inspector
  • Quality Manager

Inputs

  • Finished goods
  • AQL plan

Outputs

  • Passed inspection report

Risks

  • Failed final
  • Rework at packing

Tools

  • AQL tables
  • Gauges

Learning

  • AQL
  • Buyer manuals
Stage 10Packing & Cartoning

Pack, label and carton correctly per pack ratio.

Roles

  • QA Inspector

Inputs

  • Approved goods
  • Pack ratio
  • Hangtags

Outputs

  • Carton-ready goods

Risks

  • Wrong ratio
  • Barcode errors

Tools

  • Barcode scanners
  • Pack lists

Learning

  • Pack ratio
  • Labelling standards
Stage 11Delivery & Logistics

Move goods to buyer via correct mode and paperwork.

Roles

  • Merchandiser
  • Production Planner

Inputs

  • Cartons
  • Shipping docs

Outputs

  • On-time delivery

Risks

  • Missed vessel
  • Documentation errors

Tools

  • Freight portals
  • Shipment trackers

Learning

  • Incoterms basics
  • Doc flow
Stage 12Post-delivery & Learning

Learn from the order, close the loop with data.

Roles

  • Merchandiser
  • Quality Manager
  • Industrial Engineer

Inputs

  • KPI data
  • Buyer feedback

Outputs

  • Root cause list
  • Improvement actions

Risks

  • No feedback loop
  • Repeat defects

Tools

  • Dashboards
  • CAPA log

Learning

  • Root cause
  • CAPA discipline

Departments

20 core departments with linked resources.

Consumer, Market, Brand and Buyer Management

8 subjects

Fashion Design and Trend Forecasting

9 subjects

Product Development and Technical Design

10 subjects

Merchandising, Costing and Commercial Management

10 subjects

Fibres, Yarn, Fabric and Textile Technology

10 subjects

Material Sourcing and Supply Chain

9 subjects

Pattern Engineering, Sampling and Fit

11 subjects

Production Planning and Industrial Engineering

11 subjects

Cutting-Room Technology

8 subjects

Sewing, Construction and Production Management

14 subjects

Printing, Embroidery and Value Addition

8 subjects

Washing, Dyeing and Garment Finishing

9 subjects

Quality Assurance, Quality Control and Laboratory Testing

14 subjects

Compliance, Safety, Chemical Management and Sustainability

12 subjects

Machine Maintenance, Engineering and Factory Utilities

9 subjects

Packing, Warehousing, Logistics and Export Documentation

8 subjects

HR, Finance, Leadership and Factory Management

8 subjects

Digital Systems, ERP, PLM and Automation

9 subjects

Retail, E-commerce, Customer Use, Returns and Circularity

8 subjects

Product-Specific Academies

15 subjects

Resources

20 practitioner-written explainers. Editorial review pending unless a named reviewer is listed.

guideGarment Manufacturing — End-to-End Basicsfoundational
referenceReading and Building a Tech Packfoundational
guideGarment Costing — First Principlesintermediate
guideSample Approval Loop — Proto to Size-setintermediate
guidePattern and Fit Fundamentalsintermediate
referenceAQL Sampling in Plain Englishintermediate
referenceCommon Garment Defects and How to Categorise Themfoundational
guideSMV — Standard Minute Value Basicsintermediate
worked exampleLine Balancing in Practiceintermediate
guideProduction Planning Essentialsintermediate
guideRoot Cause on the Floor — 5-Why and Fishboneintermediate
referenceFabric Testing — What to Test and Whyintermediate
guideSocial & Environmental Compliance — Practitioner Viewintermediate
guideSustainability in Manufacturing — Where to Startintermediate
guideDenim & Garment Washing — Recipes and Approvalsadvanced
referencePacking, Cartoning and Shipment Documentationfoundational
guideLeadership on the Shop Flooradvanced
referenceMachine Safety — What Training Alone Cannot Fixfoundational
guideSourcing Fabric and Trims — A Merchandiser's Viewintermediate
referenceDigital Tools Every Practitioner Should Knowintermediate

Courses & Institutions

Curation in progress. We only publish verified programmes and institutions. Details can change — always confirm with the provider before enrolling.

Course directory — curation in progress

We do not list courses we have not verified. If you run or complete a verified course you'd like reviewed for inclusion, use Contact below.

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Global Education Directory

Explore verified institute profiles and official programme sources.

GarmentEd Global Directory

Global Garment & Textile Education Directory

40 verified institutes with official programme evidence, checked sources and scheduled editorial review.

Explore Global Institute Directory

Editorially featured

Placement is editorial and not paid.

  • KEA – Copenhagen School of Design and Technology

    Denmark · Selected to represent a current circular-fashion technology pathway in Northern Europe.

    View verified profile
  • Amsterdam Fashion Institute

    Netherlands · Selected to show a multidisciplinary fashion programme connecting design, management and responsible innovation.

    View verified profile
  • House of Denim Foundation — Jean School

    Netherlands · Selected as a specialist learner pathway dedicated to denim development, washing and circular practice.

    View verified profile
  • University of Leeds

    United Kingdom · Selected to represent postgraduate textile engineering study centred on sustainability and circularity.

    View verified profile
  • School of Textiles and Design, Heriot-Watt University

    United Kingdom · Selected to represent a textiles-and-design school combining studio practice with material innovation.

    View verified profile
  • Bangladesh University of Textiles

    Bangladesh · Selected to represent specialist wet-processing, coloration and finishing education in South Asia.

    View verified profile

Tools

Internal starting points across sanjeewa.life.

Careers

Progression paths built from role data.

  • Merchandiser — Trainee → Merchandiser → Senior Merchandiser → Merchandising Manager → Head of Merchandising
  • Pattern Maker — Trainee → Pattern Maker → Senior Pattern Maker → CAD Manager
  • Sample Tailor — Sample Tailor → Senior Sample Tailor → Sample Room In-Charge
  • Industrial Engineer — Trainee IE → IE → Senior IE → IE Manager → Head of IE
  • Production Supervisor — Trainee → Supervisor → Senior Supervisor → Floor In-Charge → Production Manager
  • QA Inspector — Trainee → QA → Senior QA → QA Executive → QA Manager
  • Quality Manager — QA Manager → Sr. QA Manager → Head of Quality → DGM Quality
  • Production Planner — Trainee Planner → Planner → Senior Planner → Planning Manager
  • Cutting In-Charge — Cutter → Cutting In-Charge → Cutting Manager
  • Wash Technician (Denim / Garment) — Wash Operator → Technician → Wash Manager → R&D Head
  • Compliance & Sustainability Lead — Compliance Officer → Manager → Head of Compliance & Sustainability
  • Training & Skill Development Lead — Trainer → Senior Trainer → Head of Training

About & editorial policy

Transparency about how this hub is built and reviewed.

Editorial and correction policy

Every explainer is written by practitioners and marked 'Editorial review pending' until a named reviewer signs off. Corrections are welcome via Contact — we publish material corrections with a dated note.

Contributor and reviewer criteria

Contributors must have direct factory experience in the topic. Reviewers must have led the function they review. We record names on reviewed items.

Sponsorship and commercial disclosure

This hub is currently non-commercial. No sponsored content is published. Any future sponsorship or paid placement will be clearly labelled.

External listing policy

Courses and institutions are only listed when independently verified. We do not accept payment for listings. Users should always confirm details directly with providers.

Safety and training limitations

Reading materials do not replace physical machine guarding, competent supervision or certified training. See the Machine Safety resource for what training alone cannot fix.

Editorial lead

Sanjeewa Dehiwalage is editorial lead only — not an accrediting body. No accreditation, guaranteed outcome or unverified endorsements are claimed.

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