BFGarage · Leeds, West Yorkshire

Design for Additive Manufacturing (DfAM) in Leeds

DfAM consultancy from our Leeds engineering team. We redesign parts to exploit the unique capabilities of 3D printing — reducing weight, consolidating assemblies, eliminating support structures, and cutting print costs — while maintaining or improving mechanical performance.

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About This Service

Most parts that arrive at a 3D printing service were originally designed for injection moulding, casting, or CNC machining. They work, but they leave significant value on the table. Design for Additive Manufacturing (DfAM) is the practice of redesigning those parts to take full advantage of what 3D printing can do: complex internal structures, topology-optimised geometry, consolidated multi-part assemblies, conformal cooling channels, and lattice infills that reduce weight without sacrificing stiffness. Our Leeds engineers apply DfAM principles across FDM, SLA, and SLS projects — whether that means a simple re-orientation to eliminate support material, a topology study that removes 40% of the mass from a bracket, or a ground-up redesign that turns a five-part welded assembly into a single printed component.

Key Advantages

  • Reduce part weight by 20–60% with topology optimisation
  • Consolidate assemblies into fewer printed parts
  • Cut print costs by eliminating support material
  • Improve mechanical performance vs direct conversion
  • Delivered as print-ready files or editable CAD
  • Leeds-based engineers with hands-on print experience

Common Applications

Lightweighting structural components
Consolidating multi-part assemblies
Removing support structures from complex geometries
Improving thermal performance with conformal channels
Reducing per-part print cost through design changes
Adapting injection-moulded designs for 3D printing

Materials Available

CAD optimisation and redesignTopology optimisation studiesLattice and infill structure designSupport elimination and orientation analysisPart consolidation across all materials
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Frequently Asked Questions

What is Design for Additive Manufacturing (DfAM)?
DfAM is the practice of designing or redesigning parts specifically to exploit the capabilities of 3D printing — things like internal lattice structures, topology-optimised geometry, complex internal channels, and part consolidation. Parts designed this way are lighter, cheaper to print, and often mechanically superior to direct conversions from other manufacturing methods.
Do I need DfAM if I already have a CAD file?
Not always — but often a few small changes make a significant difference. Common quick wins include re-orienting the part to eliminate support structures, adjusting wall thicknesses to match the process resolution, and simplifying overhanging features. More substantial DfAM work — topology optimisation, part consolidation — delivers larger gains but takes more time. We can review your file and give you an honest assessment of what is worth changing.
How much weight can topology optimisation save?
For well-suited parts — brackets, structural nodes, load-bearing components — topology optimisation typically removes 20–50% of the original mass while maintaining equivalent stiffness and strength under the defined load cases. The result is a part that could not be manufactured any other way: an organic, lattice-like structure with material exactly where the loads demand it.
What CAD tools do you use for DfAM?
Our engineers work in Fusion 360, SolidWorks, and nTopology depending on the project requirements. We deliver outputs as STEP files for editable CAD, or as print-ready STL/3MF files if you just need the final geometry. We are happy to work within your existing CAD ecosystem where possible.
Can you consolidate an existing assembly into a single 3D printed part?
Yes — part consolidation is one of the highest-value DfAM activities. A welded steel bracket that consists of six laser-cut and bent pieces can often become a single SLS nylon or FDM part with equivalent load capacity and significantly lower assembly cost. We assess feasibility, propose the consolidated design, and can print the result.

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