the three-dimensional shape of a flower bed

Quick answer：

The three-dimensional shape of a flower bed can refer to various structures, such as raised beds, boxes, or circles. These shapes are often designed to enhance the visual appeal of a garden and to provide better growing conditions for plants. Common three-dimensional shapes include rectangular, round, or oval beds, which can be constructed from materials like wood, stone, or concrete. The choice of shape depends on the garden's layout, space availability, and the aesthetic preferences of the gardener.