TheHoodedMan:
Perhaps one can use this model for a conversion, you never know ;).
http://victoriaminiatures.highwire.com/product/heavy-mortar
Admiral:
Yes, it certainly looks like a squat Dwarf amongst other WWI-style artillery pieces. 
Victoria Lamb do produce miniatures that are tasteful to the core.
tjub:
Looks great, too bad I don’t “need” any more war machines… 