This is a pattern which I wrote for Fiddle Fingers Quilts, an organisation (run by Judy Harris and Karen Perry) which coordinates the making of quilts for people with dementia.
Click on the link below for the free pattern.
Keys and Trees quilt for Fiddle Fingers Quilts
To find out more about Fiddle Fingers Quilts, go to: http://www.fiddlefingersquilts.co.uk/