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3D Printing in California

KARV Automation is a California-based custom 3D printing business that specializes in offering on-demand 3D design, additive manufacturing solutions, and digital manufacturing services that align with industry 4.0 standards. We handle everything for you, from planning and designing to manufacturing, validation, and marketing. At KARV Automation, we offer cost-effective digital manufacturing services, with competitive 3D printing prices in California.

Our exceptional 3D printing service based in California enables you to transform your ideas into reality while ensuring complete satisfaction. With a minimum one-day delivery time, we provide a free online quotation for 3D printing services. Simply submit your 3D CAD file to receive a fast and accurate quote and lead time. Once the quote has been accepted, we will begin the 3D printing process to bring your idea to life.

Metal 3D Printing California Service

3D Printing Technologies

As previously stated, there exist several 3D printing techniques, and each one utilizes distinct materials and processes to produce the final product. Here are a few of the frequently utilized 3D printing technologies.

Fused Deposition Modeling (FDM)

Perhaps the most popular 3D printing method among consumers is fused deposition modeling (FDM), also referred to as fused filament fabrication (FFF). FDM 3D printers operate by heating thermoplastic filaments such as ABS (Acrylonitrile Butadiene Styrene) and PLA (Polylactic Acid) and then extruding them through a heated nozzle. The melted filament is then deposited layer by layer on a build platform. FDM 3D printers are suitable for producing basic proof-of-concept models and low-cost prototypes of simple parts.

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3D printing Materials Used in FDM

  • Acrylonitrile butadiene styrene (ABS)
  • ABS-M30i
  • ULTEM 1010
  • ULTEM 9085
  • NYLON 6
  • NYLON 12
  • NYLON 12 CF
  • Polylactic acid (PLA)
  • ASA
  • Polycarbonate (PC)
  • Polycarbonate-ISO (PC-ISO)


  • Props & cosplay items
  • Functional prototypes
  • Physical replicas of medical models
  • Prosthetics
  • Concept models
  • Pre-surgical models
  • Tools, jigs, and fixtures
  • Customized domestic products

Stereolithography (SLA)

Stereolithography was the first-ever 3D printing technology to be developed and it is still widely used today. This technique creates a final product with the appropriate three-dimensional shape by fusing tiny, powdered particles of various materials such as plastic, metal, ceramic, or glass.
SLA 3D printers use a laser to polymerize liquid resin, turning it into a stiff plastic that forms the shape of the final product layer by layer. The resulting prototypes can achieve high-precision, isotropic, and waterproof qualities, and exhibit delicate features and a beautiful surface finish in a variety of sophisticated materials. As a result, SLA resin 3D printers have become increasingly popular in the industry.

3D Printing Materials Used in SLA


  • Snap-fit assemblies
  • Exhibition or display models
  • Designer Models
  • Concept-based prototypes
  • Dental models
  • Rapid tooling, jigs & fixtures
  • Transparent coverings
  • Investment casting patterns
  • Molds and casting patterns

Selective Laser Sintering (SLS)

Selective laser sintering (SLS) is one of the most widely used additive manufacturing processes, which employs a powerful laser to fuse tiny powdered pieces of plastic, ceramics, metals, or glass into a mass with the appropriate three-dimensional shape. The process uses a powerful laser to heat and fuse small polymer powder particles into a hard mass, with the unfused powder acting as support for the part during printing.

SLS is particularly well-suited for producing intricate geometries, including internal cavities, flimsy walls, and undercuts. This printing method does not require support structures, which makes it a more efficient process. SLS-printed products have exceptional mechanical qualities and can achieve strength comparable to that of injection-molded components.

3D Printing Materials Used in SLS

  • Nylon PA2200
  • Flexible PEBA 2301 Plastics
  • Glass Filled Nylon PA3200
  • Alumide
  • Nylon 12 Powder
  • Nylon 11 Powder
  • Nylon 12 GF
  • Nylon 11 CF Powder


  • Medical device prototyping
  • Prosthetics and orthotics like limb replacements and braces
  • Mockups of existing products
  • Custom automotive or motorcycle parts
  • Replacement parts
  • Aftermarket parts
  • End-use parts
  • Surgical models and tools
  • Spare parts

Polyjet Printing

Polyjet technology is an advanced 3D printing system that combines the advantages of both plastic and powder-based methods. It offers the ability to create thin walls and sophisticated geometries using a broad range of materials available with any technology. This technology can achieve microscopic layer accuracy and precision down to 0.014 mm, making it one of the most precise 3D printing technologies available.

Polyjet technology provides the most power, efficiency, dependability, reliability, and versatility in a single print. It can produce prototypes with exceptional style, substance, and accuracy, making it a popular choice for designers, engineers, and manufacturers. Additionally, polyjet printing generates precise and smudge-free prototypes, tools, and parts, further enhancing its appeal in the industry.

3D printing Materials Used in Polyjet Printing

  • Digital ABS plus
  • Vero White
  • Agilus 30
  • RGD 450
  • Basic Vero
  • Vero Clear
  • MED 610


  • Rapid prototyping
  • Replicas of human organs
  • Concept modeling
  • Prototyping for complex parts
  • Preclinical testing parts
  • Zero slip or soft surfaces
  • Prosthetic limbs
  • Flexible, rubber-like models

Multi-Jet Modeling (MJM)

The MJM (Multi-Jet Modeling) process utilizes photopolymers that are cured using UV light to create 3D printed objects. The process involves stacking multiple layers of photopolymer on top of one another, which are then cured using UV light to form a solid object.

In MJM, a printer with one or more nozzles is used to coat concrete surfaces with liquid acrylic polymer layers. The printhead follows predefined instructions, generated using a CAD model, to complete the production of each layer. The technique completely eliminates the need for manual labor during support removal.

MJM is capable of producing high-quality 3D printed objects with a comprehensive matte finish, even for delicate features and intricate internal cavities. This technique allows for precise control over the size, shape, and texture of the final product, without causing any harm to the object during production.

3D Printing Materials Used in MJM Technology

  • Transparent Acrylic
  • Frosted Details
  • UV Cured Acrylic Plastics
  • Castable Wax


  • High-detail and intricate components
  • Precise mold and casting templates
  • Design prototypes
  • Filigreed concept-based models
  • Models with thin walls
  • High-end model making
  • Models with a delicate design


The process of Direct Metal Laser Sintering (DMLS) involves using a powerful laser beam controlled by a computer to melt and fuse layers of metallic powder together in 3D printing. This technology is ideal for producing low-volume products without investing time and money on tooling. DMLS parts can be digitally stored and manufactured on-demand, reducing inventory costs and increasing design options.

The final products produced using DMLS are precise, have superb surface quality, and possess mechanical attributes that are almost comparable to wrought metals. DMLS is one of two powder bed fusion (PBF) methods, with the other being Selective Laser Melting (SLM). Both methods use laser beams to melt a specific pattern of metal powder, constructing complex parts using advanced metal alloys by repeating the process in consecutive levels.

DMLS and SLM are relatively equivalent to one another, with subtle differences in their process. However, they both offer a range of benefits, including the ability to produce intricate designs with high precision, mechanical strength, and surface finish, making them an excellent choice for various applications in the manufacturing industry.

3D Printing Materials Used in DMLS


  • Functional prototypes
  • Die and Mold Inserts
  • End-use parts
  • Custom Implants
  • Waveguides
  • Prototyping of production-grade materials


Multi Jet Fusion (MJF)

Multi Jet Fusion (MJF) is a 3D printing process that utilizes powdered thermoplastics to rapidly manufacture intricate and finely detailed objects. MJF 3D printing services have rapidly become the preferred additive manufacturing (AM) solution for industrial applications because they can produce components with superior tensile strength, precise feature resolution, and well-defined mechanical characteristics in a timely and reliable manner.

3D Printing Materials Used in MJF


  • Functional prototypes
  • End-use parts
  • Engine housing
  • Bellow
  • Baffles
  • Jigs and fixtures

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Industries That Frequently Make Use Of 3D Printing

There are many industries that are leveraging 3D printing technology to increase their production and enhance the quality of their products. Here are a few examples:


The automotive industry has been utilizing 3D printing technology to prototype complex parts, high-performance auto parts, and unique lightweight components. Automakers are using 3D printing to create various durable and long-lasting items such as couplings, joints, cradles, and prototypes. Some of the commonly used 3D printing materials in the automotive industry are:

  • Nylon
  • Resin
  • Aluminum
  • Stainless steel
  • Titanium

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The aerospace industry has significantly benefited from the use of additive or 3D printing manufacturing techniques, which can produce crucial airplane parts such as interior surfaces, air vents, and structural metal components. The primary benefit of 3D printing technology in the aviation industry is the reduction in weight, resulting in significant decreases in fuel usage, payload, and carbon dioxide emissions.Some of the commonly used 3D printing materials in the aerospace industry include:

  • Standard Resin
  • Glass-filled Nylon
  • Nylon 12
  • Titanium
  • Aluminum
  • Digital ABS
  • Transparent Resin


The architecture sector frequently utilizes 3D printing technology to meet the unique building design specifications of their clients. One of the primary applications of 3D printing in architecture is the creation of visually appealing and accurate architectural models. 3D printing technology also allows for the creation of architectural models with intricate and precise details. Some of the commonly used 3D printing materials in the architecture industry include:

  • Acrylonitrile Butadiene Styrene (ABS)
  • Polylactic acid (PLA)
  • Stainless Steel
  • Aluminum
  • Titanium
  • Brass
  • Nickel Alloy

Food and Beverage Industry

Through the utilization of 3D printing technology, the food and beverage industry has been able to effectively produce prototypes, designs, and replicas for diverse food products in an efficient manner. A significant benefit of 3D printing when compared to conventional manufacturing methods is its capability to manufacture complex designs and interconnected components without requiring assembly. Moreover, 3D printing is a relatively fast and cost-effective way of producing small, complex shapes. The food and beverage industry commonly utilizes 3D printing materials such as

  • ABS
  • Plastics
  • Aluminum
  • Stainless Steel
  • Titanium
  • PLA
  • NickelAlloy

Mining Industry

The mining industry is continually exploring the use of 3D printing techniques, also known as additive manufacturing, to produce appropriate end products for mining purposes. 3D printing has proven to be affordable, effective, and immensely time-saving, making it an ideal solution for the mining sector. Some of the commonly used 3D printing materials in the mining industry include:

  • NYLON 12 CF (Carbon Filled Thermoplastic) (FDM)
  • ULTEM 9085 (flame-retardant high-performance thermoplastic)
  • ULTEM 1010
  • Stainless Steel 316L
  • Titanium

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Small Batch and Mass Production in California

Small Batch Production

While not all businesses have the resources to produce products on a large scale, small batch manufacturing provides an opportunity to evaluate the product on a smaller number of consumers before making any necessary changes for the next batch. With the advent of on-demand 3D printing and small batch manufacturing capabilities, KARV Automation can produce industrial goods in the quantities that meet the client’s demands. We are committed to supporting you throughout the entire manufacturing process to ensure that your production requirements are met and that you can take full advantage of the benefits of 3D printing technology.

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Mass Production

In the current highly competitive business landscape, a product’s speed to market can be the determining factor for its success. Mass production using metal 3D printing technology can significantly reduce time to market by eliminating conventional tooling methods and reducing lead times for both prototype development and final products. At KARV Automation, our 3D printing services offer you the most efficient and cost-effective way to produce large quantities of items. Our extensive range of 3D printing technologies, such as fused deposition modeling (FDM) and others, allows for quick production of various products in large quantities. Our team is experienced in designing and mass-producing items for consumer goods, vehicles, engineering and construction, electrical, medical, and other industries in California.

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How Does 3D Printing Work?

3D Model Designing

Prior to utilizing a 3D printer for manufacturing an object, a manufacturing company needs to create a digital model using computer software. During the 3D design stage of the additive manufacturing process, object models are typically created using specialized computer-aided design (CAD) software. In the modeling phase, manufacturing companies will review the model file for any errors or inaccuracies. Most CAD programs are capable of detecting mistakes that could impact the final printed output, ensuring that any issues are corrected before printing begins.


After the 3D design phase is completed, the object model files are converted into 3D printer instructions using slicing software. The software breaks down the object into multiple layers to facilitate the 3D printing process. This process is known as “slicing” because it divides the object into numerous layers, which the printer can then create one by one.

3D Printing

After the 3D designing and slicing of the 3D models is complete, the 3D printers begin the process of creating the 3D objects. The 3D printer follows the instructions generated by the slicing software, moving the nozzle back and forth to deposit the 3D material in a layer-by-layer approach. In this step, modifying the extruders and printing medium can increase the printing accuracy. The printing process can be monitored through the printer’s transparent panel, or it can be observed remotely.

Surface Finishing

The final stage of 3D printing involves giving the printed object its finishing touches. This process, known as “finishing,” entails the use of solvents to create a smooth, polished surface and remove any imperfections on the surface of the 3D-printed piece. Additionally, during this last phase, any supports that were used to hold the product in place during printing will be removed or separated. This marks the completion of the fourth and final cycle of 3D printing.

What is 3D Printing?

The process of 3D printing involves the incremental application of thin layers of material to a surface, using a range of 3D printing technologies, to create a finished 3D structure from a digital model. This process is also referred to as additive manufacturing, which involves building three-dimensional objects layer by layer using an additive process.

Importance of 3D Printing in Industry 4.0

Industry 4.0 introduces the concept of “smart manufacturing,” in which cyber-physical systems digitally monitor and make decisions about operational aspects of a facility. Throughout history, each industrial revolution has been characterized by the adoption of new technologies that transform traditional production processes, resulting in increased productivity and faster output. In this context, the following points can be used to summarize why the industry has increasingly favored 3D printing technology:

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  • 3D printing is one of the key production technologies of Industry 4.0. By using additive manufacturing processes in conjunction with other cutting-edge technologies, the manufacturing industry is making significant strides towards achieving intelligent, efficient production processes.
  • There are several technological advantages associated with the use of 3D printing, one of which is a reduction in waste and energy consumption.
  • The versatility of modern 3D printers is remarkable, as they are capable of printing a wide variety of materials, ranging from acrylics and ceramics to composites and even food. This has proven to be a significant game changer for 3D printing technology, with the ability to produce virtually any number of items without the limitations of raw materials or excess inventory. Furthermore, this flexibility has made the process of 3D printing more cost-effective, resulting in greater economic benefits for users.

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Benefits of 3D Printing

Cost Effective: Compared to traditional prototyping techniques such as CNC machining and injection molding, 3D printing is often the most cost-effective manufacturing method for small production runs and applications. These conventional techniques typically require a significant investment in expensive machinery and higher labor costs, as they require skilled operators and technicians to operate them. In contrast, 3D printing enables the creation of numerous items without the need for specialized tooling or multiple tools, resulting in reduced costs and increased efficiency.

Rapid Prototyping: One of the major advantages of 3D printing is its ability to produce parts in a matter of hours, which accelerates the prototype process and allows each stage to be completed more quickly. With 3D printing, components can be printed in a matter of hours, making it a faster and more cost-effective alternative to traditional machining techniques. This enables much quicker completion of each design modification, leading to a faster and more efficient overall design process.

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Flexibility: One of the most notable advantages of 3D printing is its ability to produce a wide range of objects using just one printer, as long as they fit within the printer’s build volume. With 3D printing, the design is first uploaded into the slicing software, any necessary supports are added, and the print is then completed with little or no need for changes to the actual hardware or tools.

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Why Choose KARV for 3D Printing Services in California?

One-stop Solution: At our company, we are committed to guiding our customers through every stage of product development to ensure their success and meet the requirements of Industry 4.0. Our comprehensive process adheres to Industry 4.0 standards, including design, rapid prototyping, manufacturing, post-production, marketing, and promotion.

Customized/On-Demand Services: KARV Automation is a state-of-the-art 3D printing company based in California that is dedicated to providing on-demand 3D-printed components and products to its clients. We are proud to offer the most cost-effective and top-quality online 3D printing services in California and serve as your one-stop-shop for all of your 3D prototyping needs.

Quality Assurance: At KARV Automation, we aim to meet all your requirements for top-notch 3D printing services and other digital product production services. Our team of proficient professionals strives relentlessly to offer you top-notch services of unparalleled quality that surpass your anticipations. We collaborate with a dedicated group of quality control experts to ensure that every service we provide meets the highest standards of quality. You can trust us to deliver exceptional results every time.

Extensive Material Support: As a leading provider of printing services in California, KARV Automation offers an extensive range of materials with industrial quality to meet all of your demands and expectations. We cover all your requirements with over 40 materials, including ceramics, metals, and plastics, ensuring that you can choose the most appropriate material for your project. Additionally, we can set up customized materials without requiring a minimum order quantity, providing you with more flexibility in your material selection.

Worldwide Delivery: At KARV, we offer digital manufacturing services, including 3D printing capabilities, to clients worldwide. We provide both on-site and off-site services to assist in the development of your business and meet your manufacturing needs.

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