Assembly Fit
Mounting holes, locating features, and mating surfaces require dimensional control for meaningful fit and assembly checks.
Capabilities
CNC MachiningCNC milling, 5-axis machining & CNC turning› 3D PrintingSLA, MJF, SLS & DMLS 3D printing› Vacuum CastingSilicone mold making, urethane casting & vacuum-cast prototypes› Sheet Metal FabricationLaser cutting, bending & welding› Injection MoldingLow-volume, insert & overmolding› Rapid ToolingPrototype tooling for molded-part validation› Die CastingAluminum, zinc & magnesium die casting› Metal StampingPrecision & progressive stamping› Surface FinishingBlasting, anodizing, plating, coating & polishing›CNC Machining
Browse by Material
AluminumLightweight, corrosion-resistant aluminum for CNC-machined prototypes, brackets, housings, and precision parts.› Stainless SteelCorrosion-resistant stainless steel for CNC-machined components, tooling, and parts used in clean or demanding environments.› SteelVersatile steel for CNC-machined structural parts, fixtures, shafts, brackets, and production tooling.› ZincZinc for compact die-cast housings, hardware, and detailed industrial components where fine detail matters.› CopperHigh-conductivity copper for electrical contacts, connectors, heat-transfer parts, and precision components.› BrassMachinable brass for fittings, valves, electrical hardware, bushings, and precision turned parts.› TitaniumHigh-strength, lightweight titanium for aerospace, medical, and performance-critical machined components.› MagnesiumUltra-lightweight magnesium for weight-sensitive housings, structural components, and machined prototypes.› BronzeWear-resistant bronze for bushings, bearings, marine hardware, and sliding mechanical components.› IronDurable iron for fixtures, tooling, structural components, and wear-focused industrial applications.› ABSImpact-resistant ABS for machined prototypes, housings, fixtures, and functional appearance parts.›From Design Validation to Low-Volume Production
Custom automotive parts made through CNC machining, 3D printing, and molding, with materials and processes matched to your testing and assembly requirements.
Upload CAD FilesAutomotive prototyping must balance assembly fit, material performance, surface requirements, and design changes before parts move into testing or pre-production.
GD Prototyping supports custom automotive parts manufacturing with process selection, DFM review, and coordinated production for prototypes and low-volume builds.
Custom automotive parts for design validation, assembly trials, and pre-production builds, covering mechanical components, electronic housings, and interior prototypes.
Illustration · Representative development components, not customer project photographs.
From CAD review to delivery, we coordinate automotive prototype manufacturing
around your design revision, material specifications, quantity, and inspection requirements.
Submit CAD files, drawings, quantities, and intended use. We review manufacturability and clarify critical requirements before quotation.
We confirm materials, manufacturing processes, finishing, and inspection needs, then agree on the quotation and production schedule.
Parts are produced using the agreed processes and approved drawings, with secondary machining and finishing coordinated where required.
We check specified dimensions, mating features, and surface conditions against the agreed inspection scope before release for shipment.
Parts are packaged to protect critical surfaces and shipped with the agreed documentation according to the confirmed logistics arrangements.
Explore manufacturing options for automotive prototypes and low-volume parts,
with processes matched to material, geometry, quantity, and surface requirements.

CNC milling, 5-axis machining & CNC turning

SLA, MJF, SLS & DMLS 3D printing
Silicone mold making, urethane casting & vacuum-cast prototypes

Laser cutting, bending & welding

Low-volume, insert & overmolding

Prototype tooling for molded-part validation

Aluminum, zinc & magnesium die casting

Precision & progressive stamping
Explore metals, engineering plastics, and surface finishes for automotive parts,
balancing weight, mechanical performance, corrosion protection, and appearance requirements.

Electrodeposited paint coatings for prepared conductive metal components and assemblies.

Protective oxide finishes for aluminum parts, with clear or colored options.

Cured powder coatings for metal parts, with varied colors and textures.

Industrial painting for specified colors, gloss levels, and application-specific surface protection.

Electrically deposited metal coatings for protective, conductive, or decorative applications.

Chemically deposited metal coatings with relatively uniform thickness on compatible, prepared surfaces.

Controlled heat treatment to adjust alloy properties or relieve residual stress.

Abrasive blasting for matte textures and metal surface preparation before coating.
Share your CAD files, material preferences, quantity, and target delivery date.
We’ll review manufacturing options for your automotive prototypes or low-volume parts.
GD Prototyping combines DFM review, multi-process manufacturing, and dimensional inspection to support automotive development from early prototypes to small-batch builds.