I've lately found the aeropress to be an awesome solution for making single cup cold brew, and with the method I've landed on, it involves the AeroPress being in my refrigerator for 24 hours inverted. I developed this model to keep the AeroPress stable and stood upright as the refrigerator door is opened and closed, and things are moved about inside.
Operation is simple, just slide the inverted AeroPress into the stand, load your grounds/water, let steep, then slide out and press.
The author hasn't provided the model origin yet.