Comment fair une barriere dans minecraft 1.12

[Mod] Quark [1.9.4 – 1.19.2]  Minecraft-France...

Mod : Scarecrows (1.12.2 à 1.21.4)  Minecraft-France...

[Mod] Mahou Tsukai [1.12.2 – 1.19.2]  Minecraft-France...

[Mod] MrCrayfish’s Furniture Mod [1.7.10 – 1.20.1]  Minecraft-France...

[Mod] The Betweenlands [1.7.10 – 1.12.2]  Minecraft-France...

[Mod] SecurityCraft [1.7.10 – 1.21.10]  Minecraft-France...