Ok so when i chisel from another beacon that i have permission to my own beacon, chisel isn’t working right,
In the video the purple road is the beacon i have permission on and the bricks road is my own beacon.
Seems to have fixed by itself. 
Edit : Ok nvm, It’s happening when i am on East Side facing West
Coordinate : Xa Frant -194N, -2300E Alt 73
Are the coordinates near to the area shown in the video?
Idk if its the same coordinate but it seems to happen all over the east side
looks like it is dependent on from which direction u place the block >.< idk just is weird
I’ve noticed weird asymmetric behavior with chisels as well. If you place a trunk block and use the slope chisel twice to get a slanty branch-like shape, then perform the same action mirrored, one block will have the outside artwork of the wood (bark) and the other piece will have the inside artwork (tree rings)