TOOLS & TECHNOLOGY
Tools used with judgment
3D CAD and mould-design software, mould-flow and cooling simulation, GD&T and tolerance tools, product-lifecycle systems, measurement and reverse-engineering equipment.
← Draftsperson – Plastic Mould Design overview
01 · WHAT · ASSEMBLE PATH
What is the Draftsperson – Plastic Mould Design trade?
A Draftsperson – Plastic Mould Design performs some or all of the following duties:
THE CORE OF THE WORK
Inspect. Diagnose. Repair. Improve.
A Draftsperson – Plastic Mould Design performs some or all of the following duties:
Not every Draftsperson – Plastic Mould Design performs every task. The mix changes with the employer, sector, workplace, equipment and level of responsibility.
- Develops and prepares engineering designs and drawings
- Operates computer-aided design and graphics drafting stations
- Develops and prepares design sketches
- Completes documentation packages and produces drawing sets
- Checks and verifies design drawings
- Writes technical reports
- Checks prepared contracts and tender documents
- Designs and produces simple to complex templates and patterns
- Designs mechanical equipment for mould manufacturing
- Designs plastic moulds and tooling for mould-making and modifications
- Designs components parts and attachments
WORKING CONDITIONS
Understand the environment
complex computer-based design; tight product-launch deadlines; high-cost tooling decisions; coordination with mouldmakers and processors; continuous learning in materials and manufacturing.
SAFETY FIRST
Learn the hazards before the task
Training, supervision, safe procedures, appropriate PPE and stopping when conditions are uncertain are essential. Requirements vary by workplace and assignment.
STRENGTHS THAT GROW
Skill develops through practice.
3D spatial reasoningprecisionmaterials awarenessdesign-for-manufacture judgmenttechnical collaboration
ADVANCED SPECIALIZATIONS
One trade can lead to very different work.
These are advanced work directions within or adjacent to Draftsperson – Plastic Mould Design, not promises of separate credentials or pay. Requirements vary by employer, equipment, experience and any additional training or authorization.
Injection moulds
Design cavities, cores, ejection, runners and machine interfaces.
Hot-runner systems
Integrate heated manifolds, nozzles and control requirements.
Cooling and cycle optimization
Design water circuits and thermal performance for stable production.
Multi-material and insert moulding
Plan tooling for inserts, overmoulding and multiple resins.
Medical and precision moulds
Apply high accuracy, validation and clean-manufacturing requirements.
Mould-flow and feasibility analysis
Predict filling, warpage, pressure and manufacturing risk.
Design leadership and launch
Advance into checking, quoting, customer engineering and tooling programs.
EVIDENCE BASE
Sources & verification
Regulated, numerical and time-sensitive claims link to the authority used. Accessed and reviewed August 25, 2026.
Skilled Trades Ontario — Draftsperson – Plastic Mould Design ↗Official scope, duties, training and certificationGovernment of Canada Job Bank — Ontario wages ↗Ontario low, median and high employee wage benchmarkSkilled Trades Ontario — Start an apprenticeship ↗Eligibility, sponsors and registrationOntario — OYAP ↗High-school apprenticeship pathway
Why might this career fit me?