Hi, I believe there is a VersionC-specific discrepancy in LineGeometry.cpp. In the C++ code, the radius field is loaded from Capradius instead of from Radius as below: FLineData->Set_radius(i, FWireData[i - 1]->get_FRadiusUnits(), FWireData[i - 1]->get_Fcapradius60()); FLineData->Set_Capradius(i, FWireData[i - 1]->get_FRadiusUnits(), FWireData[i - 1]->get_Fcapradius60()); While the Pascal code keeps the two quantities separate: FLineData.radius[i, FWireData^[i].RadiusUnits] := FWireData^[i].Radius;...