I would start by making primitive pyramid with 4 divisions in vertical axis. Then cut polygons in triangles using cut tool and snapping. Then extrude and collapse each triangle to get a vertex in the center. Then select the center vertices and translate them out in normal direction. You'd only need to do this for one face of the pyramid and duplicate it to get the other sides. I'm sure someone can think of a more ninjaish way of doing it...
1) pyramid with divisions. 2a) select each row of edges and in turn, do "add divisions to edge" (in maya), adding more verts as you go down each row. 2b) triangulate 3) select and poke all faces. 4) not shown, move the center vertices out by their normal.
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1) pyramid with divisions.
2a) select each row of edges and in turn, do "add divisions to edge" (in maya), adding more verts as you go down each row.
2b) triangulate
3) select and poke all faces.
4) not shown, move the center vertices out by their normal.