Cut through the tile using an angle grinder.
How to cut tile on shower wall.
Use spacers between the tile to make sure the gaps are consistent.
Use a tile cutter to just score the length of the tile and press firmly to cut.
Once only the bottom row is remaining remove the support board.
Push your tile firmly into place.
Make multiple passes with the blade if needed to cut through the tile and to the subsurface.
Start at one end of the cut line and run the blade along the tile surface to the other end.
Set the depth of the blade to 1 4 inch.
Use tile nippers or a hole saw designed for tile to cut curves.
This tends to happen when homeowners need to cut a large hole in tile.
Spray water onto the tile when needed to keep the surface wet.
Getting stuck and not having an answer well that s my biggest fear.
Cut away large sections or large cutouts with a handheld circular saw equipped with a tile cutting stone blade.
Use bullnose for exposed edges or you can use trim pieces.
Hold the saw up to your marked lines.
You could use a score and snap tile cutter or a wet saw with a diamond blade.
Periodically check the tile line with a level to be sure they are straight.
Cut as needed with tile snips or a wet saw to allow tile pieces a better fit around shower faucets and shower heads.
For exposed edges set edge trim or bullnose tile pieces in place.