You will need
thin card or paper
vinyl floor tiles
Line up the template and tape it to the floor with the flaps splayed against the pedestal.
Remove the template and cut away the flaps leaving a curve the shape of the pedestal. Line it up on a tile.
Then draw a guideline on the tile and then cut it with a craft knife. Peel off the backing paper and fit the tile to the floor
From B&Q’s You can do it book, £16.98