The simplex lattice design is a space filling design that creates a triangular grid of runs. The design is the set of blends where the factors’ values are i / m, where i varies from 0 to m and the sum of the factors is 1. For a threelevel design, a factor can be set at 0, 0.33, 0.66, or 1.
1.

Select DOE > Classical > Mixture Design.

3.

Click Continue.

4.

Click Simplex Lattice to generate the design.

5.

Click Make Table.

6.

From the design table, select Graph >Ternary Plot.

7.
