This Silica Box is for the AMS Hydra Mod, but it also works perfectly with the standard AMS.
It fits perfectly and the volume is larger than in other versions. There are also versions that support a Hygrometer. This is the Hygrometer I used https://www.amazon.de/dp/B0BKZXFDVX
I compared the humidity of the the hygrometer in the silica box with another one at the position of a spool. They show the same values.
Each box hold around 100g of silica.
The version without Hydrometer prints without any supports. The Hygrometer version needs some supports at the top of the round cutout. I used tree support that starts from the print plate. Works great.
The author remixed this model.