[3D Sanago] is an artist that works with 3D printing pens, creating 3D objects ... fused together into 3D trusses using the 3D pen. The trusses are then mounted to the RC car chassis underneath ...

However, [BManx2000] found that the way the filament simply sticks out of the back of a 3D printing pen like a bizarre tailfeather was troublesome. The solution? A Mini Spool System for 3D ...

Researchers have developed a high-resolution embedded 3D-printing technique that enables the fabrication of ultra-fine fibers ...