Use the setup in the picture and flip the lever. Eventually, dupes of the diamond blocks will appear but will disappear after a block update
MC-55016
Specifically timed pistons with slime block create ghost copies of blocks
Resolved
Duplicate
0
Nicholas Stearns
(Unassigned)
Unconfirmed
Minecraft 14w19a
Retrieved
Duplicate of MC-54026 - If you have not, please use the search function in the future, to see if your bug has already been submitted. If you could not find the original report, please comment with the keywords you searched for.