How to make a POOL RING in minecraft

Armor stands:
● 1st: /summon armor_stand ~ ~ ~ {Invisible:1b,Rotation:[0f]}
● 2nd: /summon armor_stand ~ ~ ~ {Invisible:1b,Rotation:[45f]}
● 3rd: /summon armor_stand ~ ~ ~ {Invisible:1b,Rotation:[90f]}
● 4th: /summon armor_stand ~ ~ ~ {Invisible:1b,Rotation:[135f]}

● To remove Armor stand use: /kill @e[type=!Player,r=2]
(IT REMOVES ALL ARMOR STANDS IN THE RANGE OF 2 BLOCKS)

● To get a command block use: /give @p minecraft:command_block

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