Isn't this space ripe for a 3d-printer-like revolution? I mean, lots of the parts can probably be had off the shelf, someone might come up with a system for sec

Isn't this space ripe for a 3d-printer-like revolution? I mean, lots of the parts can probably be had off the shelf, someone might come up with a system for securing standard aluminium tubing togeather at a few set angles for a frame. Outer and inner panels can be vacum formed plastic or glassfiber and made by practically anyone with the space and the inclination to bang togeather the molds.