The armor stand is a block crafted with two sticks and three stone
crafting recipe for armor stand.
. Right click the Armor stand put your suit in click the ESC or ESCAPE button.
Then you can see your armor being posed and hanged on the stand.
To craft, you will need 2 dicks and 3 asses to craft. 2 dicks stack up in the middle of the crafting slot vertically and three asses set horizontally on the table and done, you got yourself a decorational stand.