
Custom Plastic Parts
- Multiple processes: CNC, 3D printing, molding
- Expert guidance for optimal process selection
- Scales from prototypes to production runs
Device Manufacturing Expertise
Custom plastic injection molding services for Northern California businesses seeking precision-engineered components. Finine Design and Manufacturing combines CAD modeling, tooling expertise, and production-grade molding to deliver parts for automotive, military, consumer electronics applications, backed by full concept-to-production support.


Common thermoplastics include ABS, polypropylene, nylon, polycarbonate, and specialty resins for high-temperature applications. Material selection depends on part geometry, mechanical requirements, regulatory needs, and budget. Our team helps evaluate resin options based on your product's application, expected volume, and performance requirements before tooling begins.
Talk to our experts for custom solutions and tailored guidance.

Injection molded components for interior trim, housings, and functional automotive parts requiring durability and precision.

Ruggedized plastic components molded to meet strict defense specifications for durability and performance.

Precision-molded plastic housings and enclosures for electronic devices requiring tight tolerances and clean finishes.

Specialized injection molded components for dental sales tools and orthopedic educational and products.
Talk to our experts for custom solutions and tailored guidance.
From CAD modeling to injection molding and painting, we manage every stage under one roof, reducing vendor complexity.
Deep experience across automotive, military, consumer electronics sectors ensures molds meet demanding specifications.
Streamlined workflows accelerate time-to-market without compromising part quality or tooling precision.
Submit your project details and our team will follow up to discuss material options, tooling, and production timelines.
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.
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.