The is the matting used for the path. It has a membrane to restrict weeds and then when plastic hexagons which hold the gravel and keep it nice and firm. Amazing even this small relatively thin sheet is rated to take vehicles including vans when used for driveways.
Filling it, you can leave the hexagons showing if you wanted.
Whose idea was it to have a circular seating area. The sheets click together nice and easily, and can be cut to shape. There is a separate sheet for the man-hole cover, it's been left for now as sadly the builders are back next week to finish off and may need access.
The S shaped path seemed like a good idea at the time. Amazingly, the measurements worked out as expected and there was enough matting to do the entire area without having to go and buy any more.
So was it worth it?