I love seeing photos of other artists' studios - especially the really famous oil painters. Most photos show a pile of crinkled oil paint tubes. I tried that...it drove me nuts. I like to be able to find the color I want quickly. My husband, Retired Guy aka Mr. Cheerful and Agreeable hot-glued dividers of gator board into an old shallow drawer so my tubes can stand semi-upright showing their labels. The larger 150 ml tubes are prone in the last space. Now I can find each color without digging through a pile.