The latest addition to this library comes from our collaboration with NextPCB. Their new manufacturing-ready templates provide pre-configured fabrication parameters, reducing guesswork and ensuring a smoother transition to production.
Starting from a blank PCB layout means manually setting up constraints, verifying design rules, and ensuring compatibility with fabrication processes. NextPCB templates in Flux handle these steps upfront, allowing you to focus on circuit design rather than manufacturability concerns.
We’ve worked with NextPCB to create a range of templates suitable for different PCB complexities and applications:
To demonstrate how these templates streamline the design process, we developed a compact IoT-enabled sensor board using one of the NextPCB templates in Flux. This design also takes advantage of NextPCB’s latest Accelerator campaign, which subsidizes users who incorporate the RP2350 microcontroller.
This example highlights how pre-configured templates simplify PCB development, allowing you to iterate and prototype more efficiently.
Once you’ve selected a template, Flux Copilot and Auto-Layout streamline the design process, allowing you to focus on functionality rather than manual layout work.
Once your design is finalized, NextPCB templates make the transition to manufacturing straightforward. With a single click, you can export your Gerber files, ensuring they align with NextPCB’s fabrication requirements. This eliminates compatibility issues and speeds up the production process.
NextPCB has recently upgraded its PCB Assembly Quote System, allowing for instant, automated cost estimation. This removes the need for manual review, significantly accelerating the quoting and ordering process.
For more details, visit NextPCB’s official ordering guide.
Leveraging pre-configured templates optimizes your PCB design workflow by integrating manufacturing constraints from the outset. You can iterate faster, reduce potential errors, and ensure manufacturability without additional design rule verification.
Flux already offers a wide range of templates from leading manufacturers and community contributors. If there's a specific template you'd love to see added, let us know! We’re always looking to expand our library with designs that help you build faster and smarter.

Discover how CAD Librarians can leverage Flux’s key capabilities—AI Part Imports, Component Updates, Live Pricing, and JEP30 Export—each tailored to meet the specific demands of maintaining PCB libraries.

Explore more than 20 new Flux Copilot prompts for hardware design. Accelerate brainstorming, component selection, validation and design review to streamline your PCB design.

A complete 555 timer guide covering pinout, internal operation, monostable and astable modes, timing calculations, and practical circuit examples. It also explains component selection and PCB layout tips for reliable designs.

A visual guide to capacitor schematic symbols, polarity markings, and specialized capacitor types. It explains how to choose the correct symbol and footprint to prevent assembly and design errors.

A practical guide to potentiometer wiring, including pin identification, voltage-divider and rheostat configurations, Arduino examples, and PCB footprint considerations. It helps designers avoid common wiring and layout mistakes.

A troubleshooting guide for DXF and SVG board-outline import failures, including open paths, unit mismatches, unsupported curves, and layer mapping issues. It shows how to clean CAD-to-EDA handoffs before PCB fabrication.

A practical guide to inverting op-amp circuits, covering how negative feedback creates inversion, how to calculate gain with Rin and Rf, and how real-world limits affect design. It also explains component selection and PCB layout practices for reliable amplifier performance.

A troubleshooting guide for common JLCPCB Gerber upload errors, including unreadable files, missing board outlines, drill-file issues, and Gerber X2 compatibility problems. It explains how to export and verify clean Gerbers before ordering.