[Jeff Rodriguez] has been busy testing a feasible DIY method for rifling a barrel and has found some success using salt water, a power supply, wire, and 3D printed parts to create the grooves of ...
Like many complex 3D-printed projects, this violin isn’t entirely made on a 3D printer but it’s interesting nonetheless. It is a violin that costs about $12 to build and uses paper, 3D printed parts, ...