3D-Circuits Technology: An innovative approach to compact and efficient electronic design
Discover how 3D-Circuits (3D-MID) technology is revolutionizing electronic design by embedding circuits directly onto 3D surfaces. Enabling miniaturization, design flexibility, and manufacturing efficiency, this innovation is driving next-gen solutions in medical devices, wearables, automotive, and more.

3D-MID, also known as 3D-Circuits, allows the integration of electrical circuits onto three-dimensional surfaces, eliminating the need for separate circuit boards.
Biel/Bern, Switzerland, July 11, 2025 – As product requirements evolve, engineers and designers search for solutions that enable greater integration, miniaturisation, and reliability without compromising on quality or design flexibility. 3D-MID (Three-Dimensional Mechatronic Integrated Devices) technology offers a practical solution to these challenges by integrating electronic circuits onto the surfaces of molded parts.
3D-MID, also known as 3D-Circuits, allows the integration of electrical circuits onto three-dimensional surfaces, eliminating the need for separate circuit boards. This approach supports the development of compact, lightweight, and highly functional products. By enabling circuitry to follow the contours of a molded part, 3D-MID opens new possibilities for design and integration.
Key benefits of 3D-Circuits
·Miniaturisation: Combine multiple functions such as sensors, LEDs, and connectors into a single component, reducing overall size and weight.
·Design Flexibility: Adapt circuits to complex shapes and geometries, supporting innovative product designs.
·Streamlined Manufacturing: Reduce assembly steps which can lead to reduced production time and cost.
Application Examples
·Medical Devices: 3D-Circuits enables the integration of sensors and circuits into compact medical devices, such as hearing aids and drug delivery implants, supporting improved usability and patient comfort.
·Consumer Electronics: In smartphones and wearables, 3D-MID supports the integration of more features into smaller spaces, contributing to lighter and more efficient devices.
·Other Industries: The flexibility and efficiency of 3D-MID make it suitable for a wide range of applications, from automotive components to industrial automation and beyond.
·Quality, Security, and Support
HARTING's 3D-MID solutions are manufactured using certified processes and high-quality materials. We prioritise the protection of intellectual property throughout the development process, offering robust security measures and clear communication at every stage. Our all-in-one approach means you have a single point of contact from concept to production.




