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
2017-02-27, 03:38:47 PM UTC
2017-02-27_16.35.44.png2017-02-27_16.36.36.png
MC-114240
Normal
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