His artworks depict personal reflections on his travels and experiences in the central Australian desert. It is often just memories, about where he used to work or a place he fondly remembers. This is different to most traditional Yankunytjatjara artists, who usually paint about their " (Dreaming). A common motif featured in Tjukangku's artworks is "puṉu" (wood that is used for making traditional tools and objects). This is often both his subject and his medium. Objects in his artworks are often more figurative (realistic) than in most Western Desert art, but still contain elements and shapes that are very clearly abstract. Tjukangku paints in natural earthy tones, using rich shades of red, browns, ochres and black. He uses fields and lines of white dots to highlight shapes and movement.