先看效果图：

1. Create Hedra object from Extended Primitives

　　2. in parameters object > family select Dodec/Icos
　　> family par. P=0.38; Q=0.0


　　3. object convert to editable poly

　　4. select all edges

　　5. use extrude edges:extrusion height=-1.0 ; extrusion base width=0.3

　6. select all polygons

　　7. use tessellate all polygons twice (apply)



　　8. in modifier list chose spherify=85%



　　9. add meshsmooth
　　and the play!