Tamiya 35290 Panzer III N

this is Part B3 the backplate of the hull and in all corners diff. thickness of the plastic  

this is Part B3 Right side up thickness 

this is Part B3 Left side up thickness 

this is Part B3 Right side down thickness 

this is Part B3 Left side down thickness 

first parts added 

Part B3 from right to left you see the different thickness of the plastic 

more parts added 

on Part A19 are sink marks but no problem with gunze surfacer