Any interest in creating/crowdsourcing or something along those lines a Stevenson screen made for RuuviTags?
IMHO a Stevenson screen or something to that effect, would be useful enclosure for RuuviTags used to measure outside temperatures. When my tag was in direct sunlight, the measured temperature increased by about 20 degC compared to nearest FMI meteorological station.
Edit: Fixed grammar in the last sentence
If possible, best way is to make it by 3D printing. Shipping costs for this kind of item would be very high and it would be hard to make profitable product from the company perspective (without adding quite high price tag for the product).