A few nice design patterns images I found:

Modern Deco Collection Swatches


Image by maaikeflis
Samples of the textile collection "Modern Deco" by FLIS art & design. Available through Spoonflower in various fabrics.

Tileable Grunge Textures and Pattern Set 6


Image by webtreats
Free 8 tileable grunge textures and pattern set. If you’re interested in obtaining the .jpg, .pat and layered psd files for them, visit webtreats here: webtreats.mysitemyway.com/8-tileable-grunge-textures-patt…