Here’s a set of free repeat patterns. There’s six in total and they’re all diagonal stripes.
Each pattern is seamless and will tile perfectly on all sides. The download contains six EPS files that you can load into Adobe Illustrator or your favorite vector editing program. It also includes six 24 bit transparent PNGs that you can use “as is” or load into Photoshop (Edit->Define Pattern).
Here’s a busy gears pattern in black and white. Try reducing the opacity if you want to quite it down! As always, this was made by LVF so it is free for commercial and personal use! Do whatever with it!