They cannot currently be placed horizontally. Glass panes are present in buildings of villages. When placed without anything on the sides of it, it will appear in the shape of a dot, but when something is placed on the sides of it, it will become flat or into a ┌ shape or a ┬ shape, depending on the items surrounding it.
|x16 Glass Pane|
- Glass panes are much brighter than glass Blocks, thus making them more suitable for high-visibility structures.
- If two glass panes are placed with one empty space in between, a Spider (which is 2 blocks wide) can still fit through.
- Prior to 1.0, when destroyed, a player could pick it up again. In later versions it requires a pickaxe with the silk touch enchantment to mine it.