FreeThe simplest Spectophotometer DIY you can make (really, even I could do it)
Thingiverse
32 model
FreeThingiverse
FreeThingiverse
FreeThingiverse
Thingiverse
FreeThingiverse
FreeThingiverse
FreeThingiverse
FreeThingiverse
FreeThingiverse
FreeThingiverse
FreeThingiverse
Thingiverse
FreeThingiverse
FreeThingiverse
Thingiverse
Thingiverse
FreeThingiverse
FreeThingiverse
FreeThingiverse
FreeThingiverse
Thingiverse
FreeThingiverse
FreeThingiverse
FreeThingiverse
FreeThingiverse
FreeThingiverse
FreeThingiverse
FreeThingiverse
FreeThingiverse
FreeThingiverse
FreeThingiverse
FreeThingiverse