3D printing and rapid prototyping services at Hi-Rel Plastics for plastic part development

3D Printing & Rapid Prototyping Services in California

Hi-Rel Plastics & Molding Corp. provides 3D printing and rapid prototyping services to  help engineers, product developers, OEMs and manufacturers turn new product concepts  and CAD designs into physical prototype parts for evaluation, testing and product  development. 

From early-stage concept models and design-validation prototypes to functional prototype  parts and pre-production components, our rapid prototyping capabilities help customers  identify potential design issues, evaluate fit and function, improve manufacturability and  accelerate product development before committing to production tooling. 

Located in Riverside, California, Hi-Rel Plastics & Molding serves customers throughout  Los Angeles, Southern California, Northern California and across the USA. More  importantly, customers can transition successful prototypes into mold and tool  manufacturing, plastic injection molding, blow molding and other production  manufacturing processes through one manufacturing partner. 

Custom 3D Printing Services for Product Development 

3D printing, also known as additive manufacturing, creates three-dimensional  components directly from digital CAD data by building material layer by layer. Unlike  conventional manufacturing methods that may require production tooling before parts can  be manufactured, 3D printing can provide a fast and cost-effective method for producing  prototype components during the product-development process. 

Fast Turnaround Times

Quick production of prototype parts to keep projects moving forward.

Design Validation

Evaluate form, fit, and function before moving into full production.

Cost-Effective Development

Reduce tooling costs by identifying design improvements early.

Seamless Transition to Production

Prototypes developed with production in mind for smoother manufacturing.

Hi-Rel Plastics & Molding works with customers to use custom 3D printing and rapid  prototyping for applications such as:

  • Concept and proof-of-concept prototypes 
  • Engineering prototypes 
  • Functional plastic prototypes 
  • Design-validation components 
  • Fit and assembly verification 
  • Form, fit and function testing 
  • Product-development prototypes 
  • Prototype housings and enclosures 
  • Prototype medical components 
  • Aerospace prototype components 
  • Consumer-product prototypes 
  • Packaging prototypes 
  • Jigs and fixtures
  • Assembly aids 
  • Low-volume prototype components 
  • Pre-production samples

Our objective is not simply to manufacture a 3D printed part. We help customers evaluate  how the design can ultimately transition into an efficient and repeatable manufacturing  process. 

Rapid Prototyping Services from Concept to Production

Rapid prototyping allows engineers and product designers to physically evaluate a  component before investing in production tooling. 

A digital CAD model may look correct on a computer screen but still reveal issues when  converted into a physical component. Prototype manufacturing provides an opportunity to  evaluate dimensions, interfaces, ergonomics, assembly relationships, geometry and  overall functionality before moving forward. 

The typical product-development path can include: 

Concept → CAD Design → 3D Printed Prototype → Design Evaluation → Design Revision →  Functional Prototype → DFM Review → Production Tooling → Manufacturing →  Secondary Operations → Assembly 

This prototype-to-production approach distinguishes Hi-Rel Plastics & Molding from  companies that specialize only in 3D printing. 

When the prototype is approved, our manufacturing team can help evaluate the  appropriate production process, including plastic injection molding, clean room medical  injection molding, blow molding, liquid silicone rubber molding, thermoforming, vacuum  forming or rotational molding. 

Benefits of 3D Printing & Rapid Prototyping

Using 3D printing for rapid prototype manufacturing can provide significant advantages  during new product development. 

Faster Product Development 
Prototype parts can help engineering teams evaluate designs earlier in the development  cycle and make changes before production tooling is manufactured. 

Design Validation 
Physical prototypes allow designers and engineers to evaluate how the actual geometry  looks, fits and interacts with mating components.

Form, Fit & Function Testing 
Functional prototypes can help determine whether critical features, interfaces, clearances  and assembly relationships operate as intended. 

Reduced Tooling Risk 
Discovering a design problem after manufacturing production tooling can result in  expensive mold modifications and project delays. Rapid prototyping helps identify  potential problems earlier. 

Multiple Design Iterations 
Digital manufacturing makes it practical to evaluate multiple design revisions during  development before finalizing a production design. 

Complex Geometries 
Additive manufacturing can create certain complex geometries, internal features and  design configurations that may be difficult or expensive to manufacture using traditional  prototype methods. 

Bridge to Production 
Once the prototype has been validated, Hi-Rel Plastics & Molding can help customers  transition into production through our comprehensive plastic and metal manufacturing  capabilities. 

Prototype-to-Production Manufacturing

One of the most important advantages of working with Hi-Rel Plastics & Molding is our  ability to support projects beyond the prototype stage. 

Many 3D printing companies specialize primarily in additive manufacturing. Hi-Rel Plastics  & Molding provides customers with access to a much broader manufacturing  infrastructure. 

Our capabilities include:

This enables customers to work with a single-source manufacturing partner from  prototype through production rather than transferring the project between unrelated  prototype, tooling, molding and assembly suppliers. 

Design for Manufacturability Before Production Tooling 

Rapid prototyping becomes especially valuable when combined with Design for  Manufacturability (DFM). 

A prototype design that works successfully does not automatically mean that the same  geometry is optimized for injection molding or another high-volume manufacturing process. 

Before transitioning a component from 3D printing to injection molding, our engineering  and tooling teams can review important manufacturing considerations including:

  • Wall thickness 
  • Draft angles 
  • Undercuts 
  • Ribs and bosses 
  • Radii 
  • Parting-line locations 
  • Gate locations 
  • Ejection requirements 
  • Material selection 
  • Shrinkage 
  • Moldability 
  • Assembly requirements 
  • Cosmetic requirements 
  • Critical dimensions and tolerances

Early DFM collaboration can help reduce tooling modifications, manufacturing problems,  scrap and unnecessary development costs while improving the transition from prototype  to production. 

Rapid Prototyping for Injection Molded Parts 

For products eventually intended for plastic injection molding, rapid prototyping can  provide an important development step before investing in an injection mold. 

A 3D printed prototype may be used to evaluate the general geometry and assembly of a  proposed injection molded component. Once the design has been validated, Hi-Rel  Plastics & Molding can support custom injection mold manufacturing and injection  molding for low-, medium- and high-volume production requirements. 

This integrated workflow helps customers maintain greater continuity from engineering  development through tooling and production. 

Medical Device 3D Printing & Rapid Prototyping 

Rapid prototyping can be particularly valuable during medical device product  development, where multiple design iterations may be required before production. 

Hi-Rel Plastics & Molding Corp. is ISO 13485 certified and supports medical and  healthcare customers with prototype-to-production manufacturing solutions. 

After prototype and design validation, customers can transition qualifying production  programs into our medical device injection molding operations. 

Hi-Rel Plastics & Molding offers both Class 10,000 / ISO Class 7 cleanroom  environments and Class 100,000 / ISO Class 8 cleanroom environments for qualifying  manufacturing and assembly requirements. 

Our medical manufacturing capabilities can support projects requiring:

  • Medical device plastic components 
  • Diagnostic equipment components 
  • Laboratory equipment 
  • Medical housings and enclosures 
  • Pharmaceutical components 
  • Drug-delivery components 
  • Disposable medical components 
  • Cleanroom injection molding 
  • Clean room manufacturing 
  • Cleanroom assembly 
  • Clean room assembly
  • Secondary manufacturing and assembly

This provides medical-device companies with a development pathway from prototype  manufacturing to ISO 13485 production manufacturing. 

Aerospace Rapid Prototyping 

Rapid prototyping also allows aerospace engineering teams to evaluate complex  components before committing to production manufacturing. 

Prototype applications can include housings, covers, brackets, fixtures, assembly aids,  ducting concepts, electronic enclosures and other development components. 

Once designs have been validated, Hi-Rel Plastics & Molding can evaluate suitable  manufacturing processes for production quantities, including injection molding, blow  molding, thermoforming, vacuum forming, rotational molding, tooling and custom  component manufacturing. 

Consumer Product & Packaging Prototypes 

3D printing provides consumer-product designers with a fast way to transform digital  concepts into physical objects. 

Applications can include:

  • Product housings 
  • Handles 
  • Enclosures 
  • Appliance components 
  • Packaging concepts 
  • Caps and closures 
  • Dispenser components 
  • Cosmetic packaging concepts 
  • Food and beverage packaging concepts 
  • Household products 
  • Electronic housings 
  • Product assembly concepts

Physical prototypes allow marketing, engineering and manufacturing teams to evaluate the  design before investing in production tooling. 

Jigs, Fixtures & Manufacturing Aids 

3D printing is not limited to product prototypes.

Custom 3D printed jigs, fixtures, gauges, holders and assembly aids can also support  manufacturing operations by simplifying repetitive tasks, positioning components,  assisting assembly operations and supporting inspection or production processes. 

Potential applications include assembly fixtures, drilling guides, part holders, inspection  fixtures, manufacturing aids, protective fixtures and custom tooling concepts. 

Rapid Prototyping for Low-Volume Manufacturing 

For certain applications, additive manufacturing can also provide an effective solution for  low-volume plastic parts and bridge production where the economics of dedicated  production tooling may not yet be justified. 

As demand increases, Hi-Rel Plastics & Molding can help evaluate whether the project  should remain with additive manufacturing or transition into a production process such as  injection molding, blow molding, thermoforming, vacuum forming or rotational molding. 

The appropriate manufacturing method depends on factors such as:

  • Annual production quantity 
  • Component geometry 
  • Material requirements 
  • Dimensional tolerances 
  • Mechanical requirements 
  • Surface-finish requirements 
  • Production lead time 
  • Tooling budget 
  • Target piece price 
  • Product lifecycle

Industries Served 

Hi-Rel Plastics & Molding provides 3D printing, rapid prototyping and custom  manufacturing services for OEMs, engineering teams and product manufacturers across  major industries, including:

  • Medical and healthcare 
  • Pharmaceutical 
  • Aerospace and defense 
  • Automotive and EV 
  • Electronics and electrical 
  • Industrial equipment 
  • Consumer products 
  • Household products
  • Packaging 
  • Food and beverage 
  • Personal care and cosmetics 
  • Laboratory equipment 
  • Agriculture and farming 
  • Sustainability and renewable-energy applications

Customers developing products in these industries can benefit from having prototype  development, tooling, molding, secondary operations and assembly coordinated through  one manufacturing resource. 

3D Printing & Rapid Prototyping Services in Los Angeles & Southern  California 

Hi-Rel Plastics & Molding Corp. is located in Riverside, California, providing convenient  manufacturing support for customers throughout the Los Angeles metropolitan area and  Southern California. 

We support customers throughout Riverside, Los Angeles, Orange County, San Bernardino,  San Diego, Ventura, Santa Barbara and surrounding Southern California manufacturing  markets. 

Companies searching for a 3D printing company in Southern California, rapid  prototyping company in Los Angeles, plastic prototype manufacturer in California or  prototype-to-production manufacturing company can work with Hi-Rel Plastics &  Molding from initial development through production. 

Rapid Prototyping Services for Northern California 

Hi-Rel Plastics & Molding also supports manufacturers, engineering companies and OEMs  throughout Northern California, including San Francisco, San Jose, Silicon Valley,  Oakland, Sacramento and surrounding markets. 

Our California manufacturing location provides Northern California companies with  access to rapid prototyping combined with comprehensive tooling, molding, secondary  manufacturing and assembly capabilities. 

Nationwide 3D Printing & Prototype Manufacturing Support 

In addition to California, Hi-Rel Plastics & Molding serves customers throughout the  United States. 

Digital CAD data enables product-development teams to collaborate efficiently with our  manufacturing team regardless of location. Once prototype designs have been approved,  customers can continue working with the same manufacturing organization for tooling,  molding, assembly and production.

Why Choose Hi-Rel Plastics & Molding Corp.? 

Customers have many choices when searching for a 3D printing company or rapid  prototyping manufacturer. Hi-Rel Plastics & Molding provides a different value  proposition: the ability to support the complete product lifecycle. 

Customers choose Hi-Rel Plastics & Molding for:

  • More than 40 years of manufacturing experience 
  • ISO 13485 certified quality systems 
  • Prototype-to-production manufacturing support 
  • Engineering and DFM assistance 
  • Mold and tool manufacturing 
  • Plastic injection molding 
  • Medical clean room injection molding 
  • Liquid silicone rubber injection molding 
  • Blow molding 
  • Thermoforming and vacuum forming 
  • Rotational molding 
  • Plastic and metal parts manufacturing 
  • CNC machining 
  • Cleanroom and clean room assembly 
  • Ultrasonic welding 
  • Comprehensive secondary operations 
  • Low-, medium- and high-volume manufacturing 
  • California manufacturing support 
  • Nationwide customer support

Instead of finding one supplier for prototyping, another for tooling and another for  production, customers can consolidate more of the product-development and  manufacturing process with Hi-Rel Plastics & Molding. 

From CAD File to Prototype to Production 

Whether you need a single prototype, multiple design iterations, functional prototype  components, low-volume parts or support transitioning a prototype into production,  Hi-Rel Plastics & Molding can help determine an efficient manufacturing strategy. 

For the fastest project review, provide available:

  • STEP, STP or other applicable 3D CAD files 
  • 2D engineering drawings 
  • Material requirements
  • Prototype quantity 
  • Expected production quantity 
  • Annual usage 
  • Critical tolerances 
  • Surface-finish requirements 
  • Application information 
  • Testing requirements 
  • Target production schedule

Our team can evaluate your project and help determine the appropriate path from  prototype development through production manufacturing. 

Frequently Asked Questions About 3D

Printing & Rapid Prototyping What is rapid prototyping? 
Rapid prototyping is the process of quickly manufacturing physical models or functional  components from digital design data so engineers and product developers can evaluate a  design before committing to production manufacturing. 

What is 3D printing? 
3D printing, also called additive manufacturing, produces physical components from  digital CAD data by building material layer by layer. 

Why use 3D printing before injection molding? 
3D printing can help verify form, fit, assembly and overall design before investing in an  injection mold. Identifying design changes before tooling is manufactured can potentially  reduce development costs and delays. 

Can Hi-Rel Plastics & Molding take my prototype into production? 
Yes. This is one of the major advantages of working with Hi-Rel Plastics & Molding. After  prototype validation, our team can evaluate production processes including plastic  injection molding, blow molding, clean room medical molding, LSR molding,  thermoforming, vacuum forming and rotational molding. 

Do you provide rapid prototyping for medical products? 
Hi-Rel Plastics & Molding supports medical product development and is ISO 13485  certified. Qualifying production programs can also be supported with Class 10,000 / ISO  Class 7 and Class 100,000 / ISO Class 8 cleanroom manufacturing environments.

Can rapid prototyping be used for aerospace products? 
Yes. Rapid prototyping can help aerospace engineering teams evaluate prototype  geometry, assemblies, fixtures, housings and other development components before  transitioning appropriate designs into production. 

Do you serve customers outside Southern California? 
Yes. Hi-Rel Plastics & Molding serves customers throughout Southern California, Los  Angeles, Northern California and across the United States. 

Request a 3D Printing & Rapid Prototyping Quote

Accelerate your product-development process with a manufacturing partner capable of  supporting your project from concept and prototype through tooling, production and  assembly. 

Whether you are developing a medical device, aerospace component, consumer product,  packaging application, industrial component or other custom product, Hi-Rel Plastics &  Molding Corp. can help move your project toward production. 

Contact Hi-Rel Plastics & Molding Corp. to discuss your 3D printing, rapid prototyping,  prototype manufacturing, tooling and production requirements.

3D printing additive manufacturing process building plastic prototype layer by layer

Key Materials for 3D Printing / Rapid Prototyping

  • PLA (Polylactic Acid): Easy-to-print thermoplastic commonly used for early-stage prototypes, concept models, and form/fit testing due to its dimensional stability, low cost, and fast printability.
  • ABS (Acrylonitrile Butadiene Styrene): Versatile thermoplastic offering good impact resistance, machinability, and surface finish quality for concept models and functional prototypes.
  • TPU (Thermoplastic Polyurethane): Flexible, rubber-like material offering excellent elasticity, impact resistance, and abrasion resistance for functional prototypes, seals, grips, and flexible components.
  • PETG (Polyethylene Terephthalate Glycol): Durable, chemical-resistant thermoplastic with good clarity and impact strength, commonly used for functional parts, enclosures, and snap-fit components.
  • Nylon (PA): Durable engineering thermoplastic offering high strength, abrasion resistance, and flexibility for functional prototypes and mechanical components.

Common 3D Printing / Rapid Prototyping Applications

  • Medical & Healthcare: Anatomical models, surgical guides, device housings, diagnostic components, and functional prototypes for design validation, fit testing, and pre-production evaluation
  • Aerospace: Lightweight prototypes, ducting components, brackets, interior fixtures, and complex geometries for fit checks, assembly validation, and performance testing
  • Automotive & EV: Prototype housings, connectors, brackets, dashboard components, fluid system parts, and concept models for design iteration and engineering validation
  • Consumer Products & Appliances: Concept models, ergonomic prototypes, housings, enclosures, and snap-fit assemblies for design refinement, usability testing, and market evaluation
  • Electronics & Electrical: Enclosures, connector housings, device prototypes, mounting brackets, and internal components for PCB integration and functional testing
  • Industrial Equipment: Custom fixtures, jigs, tooling aids, machine components, and replacement part prototypes for operational testing and design verification
  • Packaging & Product Development: Prototype containers, closure systems, and packaging concepts for form, fit, and functionality testing prior to production tooling
3D printing additive manufacturing process building plastic prototype layer by layer

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