Summary

Marder IVF ( 1a2?.. 1a3? no TOWS though )

modeled in blender 2.79b at full dimensions from a 3 view drawing, then scaled to 1/100 when saved as a .stl
scale in slicer to 35% to get 1/285 micro-armor size ( 6mm )

now to print up a company or 2 with fireteams too.
3 color nato camo will take a while to paint...oh well..

reference die is 15mm