Open-source 3-D printing 3 Costs 3 Low-costs 3 3D printers 2 3D printing 2 3D-printing 2 Open source software 2 96-Well 1 96-Well plate 1 96-well plate 1 Absorption spectroscopy 1 Cell culture 1 Cell proliferation 1 Cellular telephones 1 Centrifuge 1 Centrifuges 1 Community 1 Computer fans 1 Contact angle 1 Contact angle analyzer 1 Degrees of freedom (mechanics) 1 Distributed 1 Drops 1 Food containers 1 Hardware 1 Hold up 1 Hydrophilic 1 Hydrophilics 1 Hydrophobic 1