Low-cost, repairable lab equipment is rare within the biological sciences. By lowering the costs of entry using 3D printing and open-source hardware, our goal is to empower both amateur and professional scientists to conduct research. We have developed and remixed 3D printable lab equipment that can be inexpensively printed, assembled, and repaired for a fraction of the cost of retail equivalents. Here we present novel tools that utilize 3D printing to enable a wide range of scientific experiments. We include additional resources for scientists and labs that are interested in utilizing 3D printing for their research. By describing the broad potential that 3D printed designs can have in biological sciences, we hope to inspire others to implement and improve upon these designs, improving accessibility and enabling science for all.