but [Paul] adorned the jaws with swiveling arms made from LEGO Technic pieces, of all things. Rubber grommets slipped onto Technic pegs go into the holes on the beam to hold the PCB edges firmly ...
With inspiration from DIY PCB fabrication techniques ... have found a way to use 3D printed molds to create microfluidic LEGO bricks that make microfluidic prototyping child’s play.