Paintbrush Cup With Brushholder

I am a very lazy Person.
After destoying several brushes because i let them dry while miniature-painting i came up with this idea.

Basicially its just a cup for water, but it will hold your brushes inside the water to keep the brushes wet until you have time for proper cleaning.
Since the bristles dont touch the ground of the cup they dont get damaged either.
Works with many brushed that have a wider Body and a small tip.
(Holes are 7,5mm diameter)

Does not need any support. You just glue the top-part onto the cup and you are done.
Can be printed with big layers like 0.3mm.

I recommend to heat up the inside of the cup with a hairdryer or glazing the inside with varnish to make sure it is waterproof, but that should not be needed.