AntiCrystalStacking

[FantasyFour]

Hey all,

I am looking for a plugin that will prevent placed crystals from stacking. In minecraft 1.11 you can place crystals on the top of each other because of an offset thing in Minecraft an example is here https://bugs.mojang.com/browse/MC-116336?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel If you have never played 1.11 crystals are now craftable and are used to re summon the enderdragon.

The plugin price range i am looking at is £1 - £4 as this is a small plugin