here's my sketch; then after hearing feedback from others I think this should be in two pieces that can clamp together. Also, it does not need to be sized for 4 pieces as shown, one is fine!
WARNING & DISCLAIMER:
SELECT AND USE OUTDOORS AND SURVIVAL EQUIPMENT, SUPPLIES AND TECHNIQUES AT YOUR OWN RISK. Information posted
on this forum is not reviewed for accuracy and may not be reliable, use at your own risk. Please
review the full WARNING & DISCLAIMER about information on this
site.