Cereal Container Dry Box - no drill - no bearings - stackable

There are many solutions on Printables for dryboxes using these common cereal containers.  I feel that most are overbuilt by using festo fittings and roller bearings.

This drybox solution does not require any hardware nor any drilling holes through the container.  The only additional items are 230mm of 6mm OD (4mm ID4) PTFE tubing and about 120mm of 4mm OD tubing.  The hygrometer is optional.  Put a bag of desiccant in the bottom. 

The boxes may be used upright or or upside down and the lid can be put on either forwards or backwards.  If you leave a small length of 4mm PTFE coming out of the top, you can connect it with 6mm PTFE directly to your printer (on an XL).  The grove in the top makes them stackable.

I used these containers but they are sold under many names (Wildone, Praki, Kichly, etc.).  Be sure to get the 4 litre version with the three gripping groves.

You'll need one Cereal Dry Box Top and either a Bottom Glide or a Top Glide (if you want to invert your boxes). I printed mine with variable layer height.  The top accepts about 50mm of 6mm OD PTFE then slide your 4mm OD tubing through it creating a tight seal.