I'm thinking of using corks for this. Cut and painted corks. Try It Today: DIY, Art Ideas for Bold, Textured Walls! This is definitely an undertaking of a DIY, but this Dowel wall art via Crazinessensues would certainly deliver some texture to your wall.
This is a cover for a stool; it doesnt matter the size as it can be addapted to any. I will show you how to crochet head, seat cover and boots If you have any concer please let me know to give you support