Here's a Blue Jeans Quilt Pattern
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Here's a pdf. of a Blue Jean's Quilt Pattern for a lap quilt. I also have another, larger pattern, but I don't think that's what you want.
If you want to wash the quilt, either take it to a laundromat that has an oversized washer, or to the cleaners and ask for a wash in their oversized washer. Be specific! Tell the cleaners (to give them) what soap to use, and to wash in cold water, or they won't! I have washed one in a laundromat in an oversized washer, in cold water and quilt soap, and then put it in the dryer on low just long enough to get the "sopping" wet out of it. Then I took it home and laid it on a clean sheet outdoors to finish drying, having to turn it a couple of times of course.
Best of luck to you!