It’s hard to be a “neat” painter. This is the easel I used for most of the paintings I work on at home. It’s messy but I need my stuff close at hand in able to work effectively.
And it takes a lot of “stuff” not only for painting, but also for framing, matting, hanging, promoting, marketing, etc. An artist’s studio or work area often is filled with materials and “stuff”!
The Studio 