Custom Plastics Shop in Ontario, CA

Develop plastic products with an integrated partner for CAD modeling, rapid prototyping, CNC machining, urethane casting, injection molding, production painting, and graphic finishing. Finine Design and Manufacturing helps Ontario, CA businesses move from concept toward production while reducing vendor complexity and supporting demanding automotive, military, consumer electronics, dental, and orthopedic applications.

Custom plastic component prototypes in a manufacturing workspace

Our Custom Plastics Services

Integrated design, prototyping, machining, molding, casting, painting, and finishing services for custom plastic products.

CAD Modeling

Convert concepts, drawings, scans, or existing designs into manufacturable digital models with geometry refinement and design support for prototyping or production.

3D Printing

Create rapid prototypes, complex components, design iterations, patterns, fixtures, models, and selected low-volume applications before committing to tooling.

CNC Machining

Produce precision prototype and low-volume components for functional testing, tooling, fixtures, tighter tolerances, engineering-grade applications, and production-quality needs.

Urethane Castings

Use silicone molding and urethane casting for high-quality prototypes and low-volume production, bridging the gap between 3D printing and injection molding.

Injection Molding

Support the move from prototype development into repeatable plastic-part production while evaluating tooling and manufacturing strategies around product requirements and anticipated volume.

Production Painting

Apply color matching, surface preparation, cosmetic finishing, and presentation-quality painting for prototypes, production components, sales models, and customer-facing products.

Integrated Product Development

Move Plastic Products Toward Production

Finine Design and Manufacturing combines design, prototyping, machining, molding, casting, painting, and finishing under one partner. For Ontario, CA businesses developing products for automotive, military, consumer electronics, dental, or orthopedic applications, this integrated approach can reduce vendor complexity and support a smoother path from early concept through production-ready components and finished models.

Technician reviewing custom plastic product components
The Finine Design Difference

Why Choose Finine Design and Manufacturing?

A single partner helps simplify complex product development and manufacturing requirements.

One Partner

Coordinate CAD, prototyping, machining, molding, casting, painting, and finishing through one integrated provider.

Industry Expertise

Support demanding automotive, military, consumer electronics, dental, and orthopedic product applications.

Streamlined Development

Reduce vendor complexity while moving efficiently from concept and prototypes toward production in Ontario, CA.

Medical Specialization

Benefit from experience supporting specialized dental and orthopedic medical product development needs.

Meet The Finine Team

Work directly with a responsive product development and manufacturing contact.

Portrait of Jaime, primary contact at Finine Design and Manufacturing

Jaime

Jaime serves as the primary point of contact for Finine Design and Manufacturing, a San Diego-based product development and manufacturing company supporting clients in the automotive, military, consumer electronics, and medical industries. Jaime helps guide clients through the company's full range of services, from initial CAD modeling and 3D printing to CNC machining, urethane casting, injection molding, and production painting. With a focus on the company's specialization in dental and orthopedic medical products, Jaime works closely with clients to ensure their product development needs are met efficiently and accurately. Known for clear communication and responsiveness, Jaime is dedicated to helping customers move seamlessly from concept to production, making Finine Design a trusted one-stop-shop partner for businesses across San Diego and beyond.

Frequently Asked Questions

What does a custom plastics shop do?

A custom plastics shop helps develop and produce plastic products through services such as CAD modeling, 3D printing, CNC machining, urethane casting, injection molding, painting, and graphic finishing. Finine Design and Manufacturing supports projects from early concepts and prototypes through production-oriented components, helping customers select an appropriate development and manufacturing approach.

What plastic manufacturing services does Finine Design and Manufacturing offer?

Can you help turn a concept into a manufacturable design?

When should I use urethane casting instead of injection molding?

Can you create prototypes before tooling is selected?

Do you provide cosmetic finishing for custom plastic parts?

What industries does Finine Design and Manufacturing support?

How can I start a custom plastics project?

Have Questions About Your Project?

Talk with the Finine team about your plastic product requirements.

Capabilities And Experience

Awards and Recognition

Integrated product development capabilities

Integrated Capabilities

Connected design, prototyping, and manufacturing support.

Cross-industry manufacturing experience

Industry Experience

Experience across demanding technical product sectors.

End-to-end product development support

End-To-End Support

Guidance from early concept through production needs.

Start Your Custom Plastics Project

Share your product goals and connect with Jaime to discuss the right development and manufacturing path.

Contact Us Today

For immediate assistance, feel free to give us a direct call at 1.858.900-9787. You can also send us a quick email at Jaime@fi9design.com.