Fig. 3. Labelled CAD file of the Luer-lock effector plate adapter. A: Full assembly with effector plate and needle nozzle, B: Front view, C: Top view, D: Bottom view, E: Side view.
Marlin Firmware (Software) Modifications
Pronterface (printrun-2015031011 https://github.com/kliment/Printrun ) host interface was used for controlling the printer X-, Y- and Z- movements as well as the extrusion motor. Default Pronterface settings were used at 250 000 baud rate. The firmware was modified to accommodate for hydrogel extrusion as described throughout the following sections.
Key strengths to the overall design approach
Design files
Bioprinter hardware design files