The Shift From Prototyping to Production
For decades, additive manufacturing was synonymous with rapid prototyping — a tool for making looks-like models before committing to expensive tooling. That era is over.
In 2024, Canadian manufacturers across aerospace, medical, and defense sectors are deploying AM for end-use production parts. The inflection point came from three converging developments:
- Material certification — Inconel, titanium, and high-performance polymers now have published AM process specifications accepted by AS9100 and medical device regulators
- Process repeatability — LPBF and EBM systems can now achieve statistical process control equivalent to CNC machining
- Design freedom — Conformal cooling, lattice optimization, and topology-driven geometries deliver performance that subtractive manufacturing physically cannot match
Canada's Aerospace Advantage
Toronto's aerospace corridor — home to Bombardier, MDA Space, and numerous Tier-1 suppliers — is increasingly integrating AM into supply chains previously dominated by CNC machining and casting.
The economic argument is compelling. For low-volume, high-complexity parts (think: 50–500 units annually), AM eliminates:
- Tooling amortization costs ($50,000–$500,000 for complex castings)
- Long lead times from offshore casting suppliers
- Design-for-manufacture constraints that compromise performance
What This Means for Toronto Manufacturers
Manufacturers in the greater Toronto area have an opportunity to integrate AM capabilities before their competitors. Key adoption areas:
Jigs, Fixtures & Tooling
FDM printing of carbon-fibre reinforced nylon (PA-CF) produces assembly jigs that are 60–80% lighter than aluminium equivalents at 20–40% of the cost and lead time.
Bridge Manufacturing
While awaiting hard tooling, AM can produce functional end-use parts in certified materials to keep production lines running — eliminating the revenue impact of tooling lead times.
Lightweight Structural Components
Topology-optimized brackets and structural nodes printed in AlSi10Mg reduce part weight by 30–55% while maintaining required stiffness — directly improving payload efficiency for aerospace customers.
The Machining Monoliths Approach
At HexCode Manufacturing, we approach every project with what we call the "Machining Monoliths" philosophy: additive manufacturing isn't a workaround — it's an upgrade to manufacturing logic itself.
The question isn't "can we print this part?" It's "how does additive manufacturing enable us to engineer a better part than conventional methods allow?"
That reframe has produced a 42% weight reduction on an Inconel turbine housing, a 12× lifespan extension through conformal cooling, and dozens of projects where AM-produced parts outperformed their machined predecessors.
Marcus Thorne is Lead Materials Architect at HexCode Manufacturing, Toronto. He specializes in metal AM process development and aerospace-grade material qualification.