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Small Plastic Enclosures — Built to Your Exact Footprint
Need a small enclosure for a sensor, module, or handheld device and can’t find a stock box that fits? Flexiparts molds small plastic enclosures to your exact PCB size, connector layout, and closure method — no compromising your design to fit someone else’s off-the-shelf case.
Standard enclosures force you to work around fixed dimensions, oversized hardware, and connector cutouts in the wrong place. We build the mold around your product, so wall thickness, mounting bosses, and cable entries fit your design — not the other way around.
Why Manufacturers Choose Flexiparts for Small Enclosures
- Exact fit, every time. Send your PCB dimensions or CAD files — we mold to your footprint, not a generic size chart.
- Right hardware for a small footprint. Screw bosses, snap-fit clips, and cable entries sized to actually fit inside a compact case, not scaled-down from a standard template.
- Material matched to your application. Impact-resistant PC, flame-retardant ABS for power electronics, or POM for precision snap-fit — we recommend based on how the device will be used.
- In-house mold making and full production. From first sample to volume production, one team handles your tooling — no third-party handoffs slowing you down.
- Fast turnaround on samples. Get a working prototype in your hands quickly so you can validate fit before committing to production volume.
Common Custom Small Enclosure Applications
Tell us which category your project falls into, and we’ll point you to design considerations specific to that application. We’ve built custom small enclosures for manufacturers across:
- IoT sensors and wireless modules
- Handheld electronics and portable devices
- Compact control units and PCB housings
- Wearable and consumer product casings
FAQ About Custom Small Enclosures
1. What’s the minimum order quantity for a custom small enclosure?
A: We support both prototype and volume orders. Tell us your target quantity and we’ll confirm pricing and lead time accordingly.
2. How long does it take to get a sample?
A: Turnaround depends on design complexity — send your PCB dimensions or CAD file and we’ll confirm a sample timeline before you commit to tooling.
3. Can you work under an NDA?
Yes. We can sign an NDA before reviewing your design files if confidentiality is a concern.
4. Do I need a finished design, or can you help with early-stage development?
Either works. Send whatever you have — a sketch, a rough PCB layout, or a finished CAD file — and our engineers will tell you what’s feasible before quoting.
How To Work with Us
The key to great custom parts is collaboration. As a custom molding manufacturer, our engineers will stay connected with you throughout the process, and deliver products that meet your expectations.
- Send us your 2D/3D files or product concept, for an accurate quote, please send us materials, order quantity, and surface requirements.
- We review your design and send you a clear cost within 24 hours.
- Our tooling team builds the mold to your specifications, then send you T1 samples for confirmation.
- Once the sample is approved, we run full production under strict quality control
- Your finished parts are packaged securely and shipped to your location on time.
Related Products
- More Plastic Enclosure
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Custom Plastic & Rubber Parts Manufacturer Solutions
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Injection Molding
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Overmolding
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Insert Molding
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CNC Machining
Need custom rubber, plastic, or polyurethane parts? FlexiParts offers prototyping and on-demand, low to high-volume production of high-quality, durable components. Whatever your needs, we deliver reliable custom parts on time and within budget. Start your project with us today!


