Module shapes 

Functions to create simple example grids

Functions

regular_sphere

Create a surface grid of a regular sphere

screen_quadrilaterals

Create a square grid with quadrilateral cells

screen_triangles

Create a square grid with triangle cells

unit_cube

Create a unit cube grid

unit_cube_boundary

Create a grid of the boundary of a unit cube

unit_cube_edges

Create a grid of the edges of a unit cube

unit_interval

Create a unit interval grid

unit_square

Create a unit square grid

unit_square_boundary

Create a grid of the boundary of a unit square