Test.java

package tk.orzo.spigot.test;

import org.bukkit.Bukkit;
import org.bukkit.plugin.java.JavaPlugin;

public class Test extends JavaPlugin {

    @Override
    public void onEnable() {
        InvisibleFrame iif = new InvisibleFrame(this);

        getServer().getPluginManager().registerEvents(iif, this);
        Bukkit.addRecipe(iif.getRecipe());
    }

}