[turgidElderly]

It's not cardboard. It's laser-cut wood.

...and BTW, is anyone going to point out the obvious hazards of DIY x-ray dosing? Like, okay, sure, you can perform CT scans on inanimate objects in the privacy of your own home, without subjecting living creatures to x-rays, but still... open source x-ray machines?

Consider the infamous Therac-25:

https://en.wikipedia.org/wiki/Therac-25

[Beltiras]

There's a big difference between imaging and treatment radiation.