Sphyga (acronism for SPherical HYdrogel Generator) is a compact open-source tool for the fabrication of highly reproducible hydrogel based microbeads with predictable shapes and diameters ranging from 100 to 2000 µm.
CAD draw download
Arduino scripts dowload
Sphyga software download (you also need to download Phidgets and ArduinoUno drivers at www.phidgets.com and www.arduino.cc)
Movie of Syringe usage with Sphyga
* Users are kindly asked to cite the paper and the software source.