Some blocs (and buttons and pressure plates) have a texture bug (see picture below)
1. Go in your world.
2. place an item frame
3. place a block (or a button or a pressure plate) in the item frame.
MC-45491
Textures in item frames are strange
Resolved
Duplicate
0
Duplicate of MC-45453 - 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.