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Updated: Jul 21, 2025

Printing Thermoresponsive Reverse Molds for the Creation of Patterned Two-component Hydrogels for 3D Cell Culture

Printing Thermoresponsive Reverse Molds for the Creation of Patterned Two-component Hydrogels for 3D Cell Culture

Published on: July 10, 2013

A Non-Sacrificial 3D Printing Process for Fabricating Integrated Micro/Mesoscale Molds.

Amirreza Ghaznavi¹, Jie Xu¹, Seth A Hara²

¹Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, IL 60607, USA.

|July 29, 2023

Summary

Three-dimensional printing offers a fast, low-cost method for creating microfluidic molds. This study presents a novel, non-sacrificial approach using Stereolithography (SLA) for complex micro/mesoscale devices.

Keywords:

3D printing micro/mesoscale molds microfluidics mold fabrication

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Last Updated: Jul 21, 2025

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Published on: July 10, 2013

Process of Making Three-dimensional Microstructures using Vaporization of a Sacrificial Component

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Rapid and Low-cost Prototyping of Medical Devices Using 3D Printed Molds for Liquid Injection Molding

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Published on: June 27, 2014

Area of Science:

Microfluidics
Additive Manufacturing
Materials Science

Background:

Microfluidic devices are crucial for lab-on-a-chip applications.
Traditional microfluidic mold fabrication, like soft lithography, can be complex and time-consuming.
Limitations exist in fabricating intricate micro/mesoscale features efficiently.

Purpose of the Study:

To introduce a non-sacrificial approach for fabricating microfluidic molds.
To utilize Stereolithography (SLA) 3D printing for modular microfluidic mold assembly.
To address challenges in creating complex and time-consuming micro/mesoscale devices.

Main Methods:

Employing Stereolithography (SLA) 3D printers for mold fabrication.
Developing a process for creating both microscale and mesoscale features.
Assembling modular components into a complete microfluidic mold.

Main Results:

Successful fabrication of microfluidic molds with micro and mesoscale features.
Optimization of printing time and feature resolution achieved.
Demonstration of modular device alignment for integrated systems.

Conclusions:

3D printing provides a versatile solution for microfluidic mold fabrication.
The proposed non-sacrificial SLA method simplifies the creation of complex microfluidic devices.
This technique offers advantages in speed, cost, and design freedom compared to traditional methods.