Temp Humidity sensor adapter for spool inserts

SummaryBasic adapter to hold small round temperature and humidity sensors in a stored filament spool. Good for monitoring drybox (or ziplock bag) storage environments. This will fit 54mm spool holes like Hatchbox, Amazon basic, Ziro3d, CCtree etc. It is customizable if you need a different size or let me know if you want something else.Sensors are cheap (not always 100% accurate) out of the 5 purchased 4 were within 1% correct, the 5th was way off and tossed into /dev/null.Ebay:https://www.ebay.