See if I can get my old crib mattress and do this for Mari. Cover an old crib mattress with some durable hemp or denim fabric & using a clip or two on the backside to hold in place & for easy washing this is great for a bigger dog bed :)
DIY - Homemade Gabion wall ie rocks encased in wire baskets and used as a retaining wall - creates a dramatic feature in a garden. No directions on link. Nice someone figured out how to landscape with river rock. I swear they grow!