I've added the screenshots.
I first summon armor stands on the brown glass, and then do this command a bunch of times:execute @r[type=armor_stand,x=-14,y=14,z=-40,dx=99,dy=5,dz=22] ~ ~ ~ clone ~-5 ~-6 ~-5 ~5 ~-1 ~5 67 150 56
Remco Timmer
I've added the screenshots.
I first summon armor stands on the brown glass, and then do this command a bunch of times:
execute @r[type=armor_stand,x=-14,y=14,z=-40,dx=99,dy=5,dz=22] ~ ~ ~ clone ~-5 ~-6 ~-5 ~5 ~-1 ~5 67 150 56