Looking Inside A 3D Printer Nozzle With Computed Tomography

Have you ever wondered what’s actually going on inside the hotend of your 3D printer? It doesn’t seem like much of a mystery — the filament gets melty, it gets squeezed out by the…

A Deeper Dive Into Reverse Engineering With A CT Scanner

We’ve recently got a look at how [Ken Shirriff] used an industrial CT scanner as a reverse engineering tool. The results were spectacular, with pictures that clearly showed the internal arran…

Homemade CAT Scan Shouldn’t Scan Cats

[Pyrotechnical] thought about buying a CAT scanner and found out they cost millions of dollars. So he decided to build one for about $200 using a salvage X-ray tube and some other miscellaneous par…