TDA MO-120-RT 120mm rifled mortar (EFSS M327)

Based on EFSS 3D drawing found in Sketchup Library, published by Devil Dog 204. Reworked in Sketchup and split into parts, simplified where possible. Then 'problems fixed' in Microsoft 3D Builder (very useful) and sectioned in Cura.
This version is in towing configuration; I hope to make a version in firing configuration, and the M1163 towing vehicle in due course.
Files are in 1:76 scale, as this is my preferred working scale. Tried different versions and settings, as it proved difficult t