SaddleDual with Base

This is a classical mathematical saddle surface z=x^2-y^1+1, designed in Mathematica. The grid lines indicate the x- and y- values required to graph this as a surface above the unit square. There is no need for supports or raft on this print.

For more information, see
http://gmumathmaker.blogspot.com/2015/01/saddle-in-two-colors.html