A bit of work in CAD, a printer montage ... flat panels that are eventually fused together into 3D trusses using the 3D pen. The trusses are then mounted to the RC car chassis underneath with ...

I was considering ordering a 3D-printing pen to use as a small PLA spot welder when I laid eyes on my cheap desktop glue gun. A glue gun had everything I needed: good ergonomics, good tip ...