Originally Posted by Pilbara
I have many times in the past and still do just pop down to the supermarket and pick up a bread/chopping board of the right size and thickness in HDPE. You may have to hunt around a bit to find the right store but there is lots to choose from when you do.
ikea sells those cutting boards for about a dollar. Last time I was there I picked up 5 or 6 for use on the rally car...ended up making spring spacers out of one.