Automotive engineering

Automotive prototypes and fixtures with SLS

Functional prototypes, assembly and inspection fixtures, air ducts, brackets and clips for automotive programs, plus low-volume polymer parts. Laser sintering keeps hardware in step with the design while production tooling is still being planned.

Conceptual technical drawing of an L-shaped polymer bracket with a stiffening rib, two slotted mounting holes and an integrated snap-fit hook, in side view, top view and a 3:1 detail. The deflected position of the hook during assembly is shown in red. Conceptual illustration

Typical parts

Hardware for every stage of the program

From the first functional prototype to fixtures on the line and parts in small series.

  1. Functional prototypes

    Polyamide parts for fit, function and installation tests, strong enough to be assembled, clipped and loaded.

  2. Assembly and inspection fixtures

    Nests, check fixtures and assembly aids shaped to the part, for pilot builds and production lines.

  3. Air ducts

    HVAC and intake duct prototypes with integrated flanges, clips and mounting points.

  4. Brackets and clips

    Brackets, harness clips and retainers with snap-fits and ribs, for prototypes and low volumes.

  5. Low-volume interior parts

    Covers, trim, switch housings and fittings for special editions, restorations and small series.

  6. Motorsport development parts

    Ducting, brackets, housings and aerodynamic development parts on short development cycles.

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Why SLS

Why laser sintering suits automotive programs

Automotive programs need parts long before production tooling exists, and fixtures that change with every design loop. SLS covers both without tooling.

  • No support structures

    Clips, ducts and housings with undercuts and snap features are built in one piece without supports.

  • Nesting for batches

    Prototype sets and fixture components can be nested together in one build, mixing different parts.

  • Complex internal channels

    Air ducts and housings get integrated flow paths, flanges and mounting points without joining several shells.

  • Lattice lightweighting

    Lightweight fixtures and handling aids reduce the strain on operators along the line.

  • Part consolidation

    Bracket, clip and spacer assemblies become one part, which simplifies prototype builds.

  • Fast iterations without tooling

    Each design loop gets matching hardware without waiting for prototype tooling.

Engineering considerations

What to plan for

Prototype hardware is only useful when its limits are understood. We review these points with you before quoting.

  1. Prototype versus production material

    SLS polyamide behaves differently from injection-molded production materials. Tests should be planned with that difference in mind, and we discuss it in the review.

  2. Surface texture

    As-sintered parts are matte and slightly grainy. Visible interior parts may need dyeing or smoothing, which belong to extended finishing.

    Extended finishing Status: Planned

  3. Heat and media

    Under-hood temperatures, fuels, oils and cleaning agents are checked against the material datasheet for each application.

  4. Part size

    Large ducts and panels must fit the build envelope with margins, or be split into sections with designed joints.

  5. Tolerances

    Accuracy depends on geometry, size and build orientation. Datum features and critical dimensions are agreed in the engineering review; we do not quote generic tolerance values.

    Inspection reports Status: Planned

Materials & platform

Materials for automotive parts

PA 12 is our primary material. Every material is shown with its current status.

  • PA 12

    Primary material Status: Commissioning

    The default for functional prototypes, fixtures, brackets and ducts.

  • PA 12 GB

    Status: Planned

    Glass-bead-filled for stiffer fixtures and brackets with stable dimensions.

  • PA 11

    Status: Planned

    Higher ductility for clips, snap-fits and impact-loaded parts.

  • TPU

    Status: Planned

    A flexible elastomer for grommets, seals and soft-touch prototype parts.

Specific powder grades are confirmed per project. Datasheets are shared on request, and we publish property values only once they are verified.

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Production platform

EOS P 770

Status: Commissioning Installed and being commissioned. Requests are reviewed now; production slots are confirmed per project.

An industrial dual-laser polymer SLS system. Every status on this site comes from one registry and is kept current.

Build volume
700 × 380 × 580  mm
Lasers
2 × 70  W CO₂

Manufacturer specifications (EOS GmbH). Usable part size, material suitability and achievable tolerances require engineering review.

Services and their status

Engineering review
Status: Available now
Design for additive manufacturing
Status: Available now
SLS prototyping
Status: Commissioning
Low-volume production
Status: Commissioning
Standard finishing
Status: Commissioning
Extended finishing
Status: Planned
Inspection reports
Status: Planned

How it works

From CAD file to finished part

Every request is quoted by an engineer, not by an algorithm. You get a clear answer on what can be built, how, and at what cost.

  1. CAD upload

    Send STEP, STL or 3MF files, or drawings, with quantity, material and application details through the secure form.

  2. Engineering review

    An engineer checks manufacturability, build orientation, material fit and any design changes worth considering.

  3. Quotation

    You receive a written quotation with price, lead time and the recommendations from the review. If the part is outside our scope, we tell you why.

  4. Production

    After your approval, parts are built, depowdered, finished as agreed and checked before dispatch.

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Start a project

Need prototypes or fixtures for your program?

Send CAD files with quantities and target dates. An engineer reviews each part before we quote, and your files stay confidential.