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