Stackable epoxy cup with spatula

I often use epoxy to fuse 3D-printed parts. Usually this means that I need a very small batch at a time. Each application uses up a cup and a spatula. Finding suitable mixing cups that do not tip over or are too large has been a problem. Getting hold of suitable spatulas is easier. I often use disposable chopsticks. But that requires cutting the tip to form the small flat point that is needed. Another problem is that I hate cleaning up epoxy spill caused by the spatula falling onto the table. I