Open source slot die

L.Y. Beeker, Adam M. Pringle, Joshua M. Pearce. Open-source parametric 3-D printed slot die system for thin film semiconductor processing. Additive Manufacturing 20 (2018) 90–100. https://doi.org/10.1016/j.addma.2017.12.004 open access https://www.academia.edu/35667969/Open-sourceParametric3-DPrintedSlotDieSystemforThinFilmSemiconductor_Processing

Franklin firmware: http://www.appropedia.org/Franklin
OpenSCAD: http://www.openscad.org/
Open-source syringe pump: http://www.appropedia.org/Open