updated 19 MAR 2026

Metalized Pouches for Storage (Aluminized Mylar)

THIS is the way to store filament! —> 20 Mylar Bags for Food Storage, 2.5 Gallon Capacity, Extra Thick 15 Mil — https://amzn.to/4hjzM7G

These are proven to be the BEST way to store filament. The Aluminized Mylar is impervious to moisture, and the flexibility relieve pressure differential between inside and outside, eliminating any potential flow.

THIS IS THE WAY!

A paper entitled “Water Vapor Permeation in Plastics” is an eye-opening read related to the storage of filament. A worthy read!

Measurement of Humidity

The Sensirion SHT4X evaluation boards are no longer available, sadly. Replacements possible April 2026. Stay tuned.

The sensational Sensirion Hygrometer…

Click HERE for the STL file of the Bracket.

Here is the STL files for the Sensirion Housing TOP, and the BOTTOM.

A fast-change Bambu Spool Dessicant Cartridge…

Click HERE for the 3MF file for the Bambu Spool Dessicant Cartridge.

(Please note that this is a REMIX of a design by EnRiON, from the Printables.com site. Linked HERE.)

Spencer scaled up the original design from a 50mm diameter to a close fit (55mm) for the Bambu Reusable Spool. Importantly, the flange on the screw-in cap was removed and replaced with two snap-in features calibrated for the width of the Bambu Reusable Spool.

This is the indicating dessicant (silica gel) which we use and re-use: https://amzn.to/43MiQih