Bosses are used in parts that will be assembled. Connect the boss to a wall or rib with a connecting rib as shown in Figure 1. If the distance of the boss from the wall makes a connecting rib impractical, design the boss with gussets as shown in Figure 2.

Free Standing Boss With Four Gussets

Figure 1

Free Standing Boss With Four Gussets

Free Standing Boss With Two Gussets

Figure 2

Free Standing Boss With Two Gussets