Spectrometer Kits (and intro) − inlcuding paperbased one

While working with @raybaxha on Issues - XavCC/3DFiberSpectrograph - Codeberg.org for DIY spectrometry on a tap water sample

I could remember some pleasant memories and draft:

And so many others…

I started with PaperCraft, and yes, after that I fell down the rabbit hole of Alice in Wonderland - and trouble.

This post is therefore an invitation to discuss the conditions of access to information, materials and the ability to manufacture and/or obtain them, and the consequences of these problems.

See also:

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