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 Patterned Wood Wall is an amazing feature! The combination of the dark red wood panels with the bright white lights looks great! The use of having vertical lines help increase the appearance of height in the room, which is an added bonus!