To make a Three-dimensional wall art is always not easy; buy one from the market can be costly. Nowadays, it has become easier because you can DIY at home using a cutting machine and thick cardboard, plus a suitable frame; three-dimensional wall art will hang on your wall within one hour.
First, download a Multilayer Sea Turtle SVG from here; this is a five-layer SVG file and layer ready to cut.
Second, prepare five colours of thick cardboard. The wider, the better;