The phrase "than paint" is an idiomatic expression that means something is easier or more preferable than doing a task. It implies that there are other options available, and they would be less difficult to accomplish.
Sentences with «than paint»
Also, at that point you were composing with found materials, rather than painting in the traditional sense. (brooklynrail.org)
I draw more than paint, and will be posting more drawing soon, but want to acknowledge that you do a great deal for me and my students. (twocoatsofpaint.com)
I'm using things other than paint in my work too, such as diamond dust and metallic powder paint. (creativeboom.com)