ThermoPro TP49 hygrometer holder for "cereal" filament dry box

The shape is designed for the kind of 4 liter "cereal" filament dry boxes seen in the photos and in the affiliate link below. The holder can be attached to the box with a single M3 screw from the bottom or the front. 

The ThermoPro TP49 digital hygrometer and thermometer works with rechargeable NiMH AAA batteries, which is a great advantage over the more common button cell hygrometers.

Requirements

• 1 x ThermoPro TP49

Front mount variant:

• 1 x M3 5-7mm screw

• 1 x M3 D5 L(4 to 6) brass heat insert

Bottom mount variant:

• 1 or 2 x M3 6-9mm ultra thin wafer head screw (to stay flush below the box)

• 1 or 2 x M3 D5 L(4 to 8) brass heat insert

Print settings

• Basic PLA

• No supports

• 2 perimeters

• 4 top and bottom layers

• 10% infill

• 0.2mm layer height

Affiliate links

Brass inserts M3 D5
https://s.click.aliexpress.com/e/_c3gvynQ5

M3 screws
https://s.click.aliexpress.com/e/_c3pGjHTf

ThermoPro digital hygrometer and thermometer for AAA batteries
https://amzn.to/41k66R6

Cereal boxes used for filament storage: https://amzn.to/4sYuLa1
PTFE tubes: https://s.click.aliexpress.com/e/_c4XLY43F
Spool holder: https://www.printables.com/model/742428-skinny-tush
Filament tube cap: https://www.printables.com/model/284182-ptfe-tube-cap-with-filament-label
Microwave oven compatible desiccant packages (100g fits inside spool hubs): https://www.amazon.de/dp/B0DQSPVJYG