2x 54mm/ 1:32nd Resin WW1 Garland Trench Mortar

Absolutely amazingly simple WW1 mortar (65mm). It's essentially a tube with a metal loop to hold in onto any piece of wood. The nicer base was made of shaped wood and the more complex model shown seems to have a foot lever to fire it.
 
This model is printed under license from Windham Graves.