Love your color choices! Good luck in finding a pattern. A hint about getting an even 1/4" seam: Put a pack or half a pack of extra sticky post-its parallel to your 1/4" seam line. Allow the seams of what you are sewing to side along the post-it. You will not have to watch the seam and it should be even the length of the fabric.
You can also place layer after layer of narrow masking tape to make a wall to slide your fabric along the line of masking tape.