Different take on a square knot. 3 colors in this, you could choose the colors. This looks like paracord. Paracord bracelets, paracord zipper pulls on coats, purses, etc.
Hummingbird Painting, Original Watercolor Painting, painting of bird, bird wall art, watercolour art, bird on a branch by CanotStop on Etsy https://www.etsy.com/listing/512992160/hummingbird-painting-original-watercolor