Digital-twin-guided porous nonwoven prototype printing
A digital-twin-guided workflow for creating manufacturable porous layers by extracting pore-volume distribution, fiber orientation, and other key metrics. It utilizes multi-material microprinting to produce prototypes with precise pore configurations, offering applications in fields requiring specific mechanical and fluid-handling properties.
Overview
The digital-twin-guided porous nonwoven prototype printing solution leverages advanced digital modeling to produce highly controlled porous structures. By converting digital twin models into physical prototypes, this technology facilitates the creation of layers with specific pore-volume distribution, fiber orientation, and other critical parameters. The platform supports multi-material microprinting, enabling precise control over pore sizes and geometry, which is essential for optimizing mechanical, optical, and fluid-handling properties. This innovation is particularly relevant for industries requiring customized porous materials, such as filtration, biomedical devices, and textile manufacturing.
Technical specifications
- Programmable extrusion platform: Utilizes soft polymer/hydrogel or sacrificial inks for precise micro/voxel deposition.
- Size and precision: Capable of creating a 1.5 cm x 1.5 cm x 0.5 cm porous layer with controlled pore sizes and anisotropy.
- Iterative feedback loop: Incorporates micro-CT feedback to iteratively refine toolpaths and achieve target pore-volume distribution with <=5% deviation.
- Applications: Useful in developing nonwoven materials with tailored mechanical, optical, and fluid-handling properties.
Technology readiness level
This technology currently sits at TRL 5, having been validated in a laboratory setting with a working prototype. The next steps involve collaboration with industry partners to refine and scale the production process, further advancing its development towards commercialization.
About University of Cincinnati
The University of Cincinnati is a comprehensive public research university with an applied, urban-serving character and a significant clinical enterprise. Industry engages through one of the nation's largest cooperative education programs, placing students year-round with corporate R&D and operations teams and creating an on-ramp to sponsored research. An innovation district near campus hosts co-located corporate labs, startup space, and shared prototyping facilities, while the university's integration with a major hospital system enables clinical studies and translation. Research is supported by competitive federal funding from agencies such as NIH and NSF, along with state and industry partnerships. A dedicated technology transfer office manages IP, licensing, corporate agreements, and startup formation, providing flexible models for collaboration.
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