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CNC Machining Services
With CNC machining, 3D printing and other techniques, FastPreci delivers rapid prototypes qualified for engineers worldwide.
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Rapid prototyping is the process of turning your design idea into a tangible part — fast. It’s like creating a trial version of your product to check fit, function, and performance before full production.
Design flaws often surface only after tooling or production — leading to costly delays and redesigns. Prototype manufacturing helps engineers catch issues early, validate fit and function, and bring products to market faster with confidence.
Whether you need a single prototype or a small batch for functional testing, FastPreci streamlines every step. Upload your 2D/3D CAD files, and our engineers will review manufacturability, recommend materials and processes, and offer cost-saving insights.
From CNC machining to 3D printing and more, every prototype is produced with certified quality control and full CMM inspection. We make the path from design to functional part fast, precise, and effortless for your team.
FastPreci offers different rapid prototyping technologies to turn your designs into functional parts — fast.
Fast and flexible additive manufacturing with SLA, SLS, FDM, and MJF. Perfect for complex geometries, quick iterations, and cost-effective design validation within 1–3 business days.
The go-to solution for small batch parts that mimic injection molding. With smooth finishes and adaptable color matching, it helps verify both the aesthetic and functional aspects of your prototypes.
Fast fabrication for enclosures, brackets, and structural parts. Our capabilities include laser cutting, CNC bending, and surface finishing — ensuring prototypes ready for fit and function testing.
Choosing the right rapid prototyping method depends on your design stage, material, and performance goals. Here’s a quick guide from our engineers to help you decide.
| Process | Best For | Key Benefits | Typical Lead Time |
| Rapid CNC Machining | Functional metal / plastic prototypes | Tight tolerances ±0.005 mm, production-grade materials | 3–5 days |
| Rapid 3D Printing | Concept models or complex geometries | Fast turnaround, low cost, no tooling | 1–3 days |
| Rapid Vacuum Casting | Small batch plastic prototypes | Smooth surface finish, low mold cost | 5–7 days |
| Rapid Sheet Metal Fabrication | Enclosures & brackets | Durable, quick forming | 5–7 days |
At FastPreci, we support your project through every stage — from early concept validation to final mass production.
Quickly turn your designs into functional prototypes for form, fit, and basic performance testing.
Verify engineering performance and material properties under real conditions.
Validate appearance, assembly, and manufacturability with production-intent parts.
Ensure consistent quality and efficiency before full-scale production.
Move seamlessly into stable, repeatable production with full traceability.
FastPreci offers a wide range of materials for both functional testing and appearance models. From metals to composites, we help you choose the right material for strength, finish, and cost.
Metal prototype is known for its excellent mechanical strength and fatigue resistance, making it ideal for structural loads and high-impact use.
Aluminum Alloy is widely used for its light weight, high strength and corrosion resistance. It’s ideal for precision machining and complex geometries, widely used in aerospace, automotive, electronics, and medical industries.
Stainless Steel Alloy offers excellent corrosion resistance, strength, and heat tolerance, making it ideal for medical devices, food equipment, automotive parts, and structural components.
Brass Alloy offers excellent corrosion resistance and conductivity, making it ideal for parts like fittings, connectors, and decorative components. It’s easy to machine, antibacterial, and has a smooth golden finish.
Titanium Alloy offers exceptional strength-to-weight ratio, corrosion and heat resistance, and biocompatibility. It’s ideal for lightweight, high performance parts in aerospace, medical, and automotive applications.
Plastic prototype is significantly lighter than metal alternative, making it ideal for weight-sensitive applications while also reducing material and machining costs.
POM (Polyoxymethylene), also known as acetal or Delrin, is a strong, low-friction plastic ideal for precision parts like gears, bearings, and valves.
PTFE (Teflon) is a high-performance plastic known for its chemical resistance, low friction, and high-temperature stability, making it ideal for seals, gaskets, and lab components.
PEEK (Polyether Ether Ketone) is an engineering plastic with exceptional strength, chemical resistance, and heat tolerance up to 260°C, ideal for aerospace, medical, and automotive parts.
Ceramic materials like alumina and zirconia are significantly harder than metals, ensuring longer service life even in abrasive environments.
Zirconia (ZrO₂) offers high toughness, hardness, and wear resistance. Its chemical stability and thermal insulation suit medical, aerospace, and automotive uses like dental implants, seals, and cutting tools.
Aluminum oxide (Al₂O₃) is ideal for electronic, mechanical, and medical parts. Its insulation and heat resistance to 1500°C ensure stable performance in electronics and aerospace.
Composite materials combine the best of strength, weight reduction, and vibration damping — perfect for aerospace, robotics, and performance equipment.
Carbon fiber (CFRP) is a lightweight, high strength composite ideal for aerospace, automotive, and electronics components. It offers excellent rigidity, corrosion and heat resistance for precision and lightweight applications.
Glass fiber (GFRP) is a lightweight, strong composite with excellent corrosion resistance and insulation. Ideal for housings, insulators, and structural parts, it offers high impact and thermal resistance when reinforced with epoxy or phenolic resins.
Surface finishing gives rapid prototypes the final touch — improving appearance, durability, and functionality. FastPreci offers a wide range of surface finish options to meet design validation and end-use testing requirements.
| Surface Finish Option | Process Description | Typical Applications / Benefits |
| Polishing | A mechanical process using abrasive compounds to achieve a high-gloss finish. | Used in applications requiring aesthetic appeal, such as medical devices and consumer products. |
| Sandblasting / Bead Blasting | A blasting process that propels fine media to produce a uniform matte or textured surface. | Ideal for uniform, non-reflective textures that improve coating adhesion or visual appeal. Common in automotive and aerospace. |
| Anodizing | An electrochemical process that increases the thickness of the natural oxide layer on the surface of aluminum. | Common in aerospace, automotive, and electronics for corrosion resistance, durability, and aesthetic appeal. |
| Electroplating | A process that uses an electric current to deposit a layer of metal (e.g., nickel, chrome) onto the part surface. | Often used for corrosion resistance, wear resistance, or appearance. Common in automotive and electronic industries. |
| Coating (Powder Coating, PVD) | Application of a thin, protective coating to enhance durability and aesthetic properties. | Used to protect parts from corrosion and wear while providing a durable finish. Common in automotive, electronics, and aerospace. |
| Heat Treatment | A process of heating and cooling metals to alter their physical properties. Can improve surface hardness. | Used for parts requiring increased hardness, strength, and wear resistance, such as gears, shafts, and cutting tools. |
| Passivation | Chemical removal of free iron from stainless steel surfaces. | Enhances corrosion resistance, especially for medical and food-grade parts. |
At FastPreci, tolerance capability varies by prototype purpose and process. Whether you need visual models or precision assemblies, we apply the right technology and inspection method to achieve the accuracy your project requires.
| Prototype Type | Typical Tolerance Range | Recommended Processes | Notes |
| Concept Models | ±0.2 – 0.5 mm | 3D Printing (SLA, SLS) | Ideal for appearance review and ergonomic testing. |
| Functional Prototypes | ±0.1 – 0.3 mm | CNC Machining, Vacuum Casting | Balances accuracy and speed for mechanical validation. |
| Assembly-Ready Components | ±0.01 – 0.10 mm | CNC Machining | Ensures reliable fit and alignment for mating parts. |
| Precision Mechanisms | ±0.01 – 0.05 mm | 5-Axis CNC Machining, EDM | Used for high precision parts or motion-critical assemblies. |
Note: These tolerance ranges represent typical rapid prototyping outcomes. For fit-critical or motion-critical features, FastPreci applies process optimization and CMM inspection to achieve tighter control where needed.
Every prototype at FastPreci is verified through a complete metrology and inspection process — from dimensional measurement to surface and material validation — ensuring accuracy, consistency, and full compliance with your drawings.
| Category | Capabilities & Equipment |
| Dimensional Accuracy | Coordinate Measuring Machines (CMM), 2D measuring instruments, height gauges, micrometers, calipers |
| Geometric & Surface Validation | Thread gauges, pin gauges, block gauges, surface roughness testers |
| Material & Composition Analysis | XRF (X-ray Fluorescence Spectrometer) for alloy and coating verification |
| Documentation & Traceability | CMM inspection reports, material certificates (CoC / MTR), and complete dimensional data for every part |
FastPreci provides rapid prototyping services to engineers across diverse industries — helping them accelerate design validation, reduce production risk, and shorten time to market through fast, precise functional prototypes.
Rapid prototyping enables fast validation of lightweight, high-strength robotic parts such as joints, housings, and end effectors, supporting design iteration and testing in robotic systems.
Joint components, Servo motor shafts & housings, End-effectors, Precision gears, Base plates
Vacuum casting, CNC machining, and 3D printing support prototypes requiring biocompatible materials, fine details, and smooth surfaces.
Orthopedic implant prototypes, Surgical instrument parts, Diagnostic device enclosures, Bone screw prototypes
Rapid prototyping accelerates aerospace development cycles, enabling engineers to validate flight-critical geometries, lightweight structures, and complex contours before full-scale production.
Flight hardware brackets, Control surface prototypes, Structural components, Lightweight housings
High precision and thin-wall geometry validation
Lightweight prototype parts for performance testing
Fast turnaround for engineering iteration under tight schedules
Rapid prototyping enables fast development of precise, sleek components — from housings to wearable parts — supporting ID/MD iterations and internal module integration.
Phone casing prototypes, Laptop chassis prototypes, Camera brackets, Cooling modules, Aluminum bezels, Audio jacks
Excellent appearance models for enclosure and UI testing
Accurate miniaturized features for internal module fit
Rapid updates during product design cycles
Rapid prototyping accelerates industrial automation development by enabling engineers to test mechanical performance, fit, and integration before production.
Sensor brackets, Actuator housings, Mounting plates, Coupling joints, Bearing seats, Custom automation fixtures
Rapid prototyping enables fast development of precision components for batteries, solar, and hydrogen systems, supporting design validation and testing in renewable energy sector.
Battery module prototypes, Cooling plate prototypes, Power enclosure prototypes, Energy converter brackets, Connectors
Rapid prototyping supports the semiconductor sector with ultra-clean, high-precision components that meet stringent dimensional and surface cleanliness requirements.
Wafer handling fixtures, Alignment fixtures, Vacuum chamber components, Precision mounts
Ultra-tight tolerances for alignment and motion
Clean, burr-free finishes compatible with semiconductor systems
Rapid turnaround to support engineering validation and tooling design
Rapid prototyping helps automotive engineers validate structure, fit, and performance early — reducing development risk across EV, powertrain, and chassis systems.
EV battery enclosures, Motor housings, Transmission components, Sensor mounts, Brackets, Cooling plates, Test fixtures
Fast validation of fit, strength, and thermal performance
Tight tolerances for multi-part automotive assemblies
Rapid iteration to support EVT/DVT and pre-production testing
Industry: Industrial Design / Robotics
Material: Stainless Steel 304
Quantity: 10 pcs
The client needed CNC machined rings delivered within a very tight timeline for fit and assembly testing.
FastPreci arranged priority rapid machining and completed the prototypes in just 3 days. Our engineers refined the turning strategy to control circularity and surface finish, ensuring tigent tolerances while keeping the delivery schedule on track.
“My entire experience with FastPreci was excellent. Support was helpful, pricing was good, and the parts were great. I ordered ISO 2768-m, but the tolerances were much better than that. Highly recommended!”
— J. Giesecke, Germany
We are committed to upholding the highest industry standards. To ensure quality and excellence, we have proactively obtained renowned certifications from trusted organizations.
Lead time as fast as 3 days, accelerating your R&D and production progress, easily meet tight deadlines.
Tolerances as tight as 0.005mm, rich experience with advanced 5-axis CNC machines, mill-turn machines, and precision grinding machines, meets a variety of tolerance requirements.
According to your functionality and quantity requirements, develop the optimal manufacturing process, combined with efficient self-owned factories to achieve optimal performance and cost.
From CNC machining to aluminum extrusion and heat treatment to surface finishing, from prototyping to mass production, easily and efficiently customize various parts.
ISO 9001 quality management system certification, equipped with various quality inspection instruments including Zeiss coordinate, process and results can be controlled.
Our engineers collaborate from the start — optimizing designs for manufacturability, improving strength-to-weight ratios, and reducing cost through smarter machining strategies.