The pitch that this has anything to do with 3D printing is ridiculous on the face of it. If we are to assume that the render presented has any association with the intended design of the machine, then it is no more related to 3D printing than any other machine of the last hundred years for which parts may be produced.

That's a little disingenuous.

Also, the idea that you would need an entire coffin-sized device to pursue what is effectively nitrogen narcosis is ridiculous. The same thing could be achieved far more cheaply and easily with just a mask and gas supplies. Together, the bits to make such a thing might cost as much as $150 USD if you demand quality materials.

The only interesting part of this is the philosophical question of whether a person has the right to self terminate.

That question goes to an even more elemental one: "Who owns you?"

Does the State own you? They seem to have very strong opinions about what you can do with yourself and operate under the essential assumption that they have the complete power to decide that most elemental of thing, whether or not you continue to engage with them.

Does society own you? Are you owned as an effective cog in the larger social machine? Members of society seem quite comfortable telling you what you can and cannot do with your own body, whether or not you agree.

Or do you own you? Are you the ultimate arbiter of your personal experience? If so, then it is certainly within your rights and prerogatives to decide whether you live or you die day-to-day basis.

If the State owes you, it can command you. If society owns you, it can command you. When ownership lies outside of yourself, and you accept that, you have allowed to the tacit understanding that you can be – must be – controlled from beyond your consent.

Sometimes it's really important to ask the question at the root of things.

Who owns you?