CFX! Geometry Create/Surface/Extrude. set the translation vector to Object(Surface Method <00 1> and select all 8 side curves(exclude two Surface ID List internal curves) urface Tvpe duct. db-default viewport- default gro up- Entity Parametric Cubic Refer Coordinate Frame 013 Scale fa suRface3132331323222 CFX CFX5.5V5.5.1HCFX 5.5 V5.5.1H © 2001AEA Technology 2-14 Geometry Create/Surface/Extrude:set the translation vector to <0 0 1> and select all 8 side curves (exclude two internal curves)