| 0x20 | Properties | FCSGChildInstanceProperties | 3 flags | {Mesh=nullptr, Settings={Pairs=[]}, Seed=-1} |
| 0x50 | Materials | FGeneralTerrainMaterialCombiner | 3 flags | {IfBothEmpty={Result=Empty, Material=nullptr}, Patterns=[],… |
| 0x08 | CSGChildInstanceRoot | UCSGBase* | Transient+5 flags | nullptr |
| 0x08 | CurrentBakeConfig | UBakeConfig* | Transient+5 flags | nullptr |
| 0x1C | ChildLocalSpaceBoundingBox | FBox | Transient+4 flags | {Min={X=0, Y=0, Z=0}, Max={X=0, Y=0, Z=0}, IsValid=0} |
| 0x1C | WorldSpaceBoundingBox | FBox | Transient+4 flags | {Min={X=0, Y=0, Z=0}, Max={X=0, Y=0, Z=0}, IsValid=0} |
| 0x18 | BoundingTree | FDeepCSGFloatTree | Transient+1 flags | {Root={Val=0}, planes=[]} |
| 0x40 | TransformMatInv | FMatrix | Transient+4 flags | {XPlane={W=0}, YPlane={W=0}, ZPlane={W=0}, WPlane={W=0}} |
| 0x48 | TempTree | FDeepCSGTree | Transient+1 flags | {} |
| 0x01B8 | 0x08 | unreflected bytes to end of UCSGChildInstance |