From Contours（From Contours）
动画教程
First select the contour line used to create the sandbox, and create the sandbox surface based on the contour line.
From Scratch（From Scratch）
动画教程
Select the first corner of the sandbox or enter the grid spacing of the sandbox, select the second and third corner of the sandbox, and create the sandbox surface according to the grid.
Smoove（Smoove）
动画教程
Click to select the base point of the surface relief or enter a new radius for the surface relief, drag the mouse to raise or lower the surface relief.
Stamp（Stamp）
动画教程
First select the plane to flatten to the mesh or enter a new offset for the surface flattening, then select the level of the surface flattening plane.
Drape（Drape）
动画教程
First select the element you want to project the surface, and then select the mesh you want to project the surface.
Add Detail（Add Detail）
动画教程
Select the vertices of a plane, boundary or mesh before adding details. Press Ctrl to add details without offsetting new vertices.
Flip Edge（Flip Edge）
动画教程
Select the triangle plane, the boundary between two triangles, or the vertex connecting the triangles, and select the boundary to flip on the mesh.
冲着曲面投射来的，很不错。