a recent spray flacon study, lighting with emissive light panel...
cheers
torsten
designwise:
- there will stay 33% in the flacon if that tube doesn't go all the way to the bottom
- looks like an unconfortable knob to push with 1 finger ..
thats the idea, dornig = spiky ;-)
I would put this in a box and sell it with one of these:
(http://www.metaaldetectors.nl/vondsten/gfx/vingerhoed2.jpg)
(but then a plastic one) .. just to add to the fun of the product :D
Testing various stengths of springs seems like a must then for this product ;)