Preference > structural > ok Pre-processor >element type > add/edit/delete > add > solid > quad 4 node 182 > ok > close. Pre - processor > material properties> material models > structural > linear > elastic > isotropic > EX = 1.2E5 & PRXY = 0.28 > ok > materials > exit. Pre - processor > modeling > create > key points > in active cs > (follow the below table) Key point No X - location Y - location Z - location 1 0 0 0 Apply 2 20 0 0 Apply 3 20 80 0 Apply 4 50 80 0 Apply 5 50 100 0 Apply 6 0 100 0 Ok Pre - processor > modeling > create > area > arbitrary > by key points > select the key points in the order