the 3D model for filament is a spiral that is the right diameter for filament, printed as a solid object. The cross-section of this printed “filament” is a hexagon rather than a circle ...

The images weren't static, either: Using the computer or iPad hooked up to the display, users could interact with their 3D model, making it useful for educational settings, laboratories ...

“We’re trying to bring this industrial process into the light and make it accessible ... houses more than a dozen 3D printers — six of which are the latest model from Formlabs ...