Tiling around a curved wall - GIF

Tiling around a curved wall.

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Previously:

Tiling a concealed access panel - GIF
Tiling a door entrance - GIF
Tiling a raised floor - GIF
Tiling a stairwell wall - GIF
Tiling around a window - GIF

No. no, no !
Red is for the shake of the finger "X."
The check mark should be green!

That must be a very powerful "marker" to cut that tile so clean and effortlessly!!!! Where can I get one like that??? :smash: