Both plastic kits are from Tumpeter (07257 and 07249 ).
I upgrated trailer with resin wheels from CMK B72023 .
Stug got new grills from PE set (Voyager), new brass handles and metal barrel (RB Model)
Each figure is 3D printed resin released by Ammo by MIG (AMIG8913)
This picture inspired me to build the scene:
Some shots from the workbench before painting: