I'm thinking it might be possible to build ventilators locally -- maybe even in a hospital as needed -- if it were possible to assemble them from a kit of inexp

I'm thinking it might be possible to build ventilators locally -- maybe even in a hospital as needed -- if it were possible to assemble them from a kit of inexpensive parts plus site-printed 3D components. Does anyone have thoughts on this? It seems like an idea that could save millions of lives.