Deflecto, LLC (Updated 6.21.18)

40/60

40% Equity

U.S. Large-Cap Blend
5% S&P 500 Index Fund
U.S. Small-Cap Value
15%  American Beacon Small Cap Value Fund
International Equity Blend
20%  Vanguard Total International Index Fund

60% Fixed Income

Inflation Protected Securities
15% Vanguard Inflation Protected Securities
Intermediate Bonds
45% Core Bond Fund

60/40

60% Equity

U.S. Large-Cap Blend
7.5% S&P 500 Index Fund
U.S. Small-Cap Value
22.5%  American Beacon Small Cap Value Fund
International Equity Blend
30%  Vanguard Total International Index Fund

40% Fixed Income

Inflation Protected Securities
10% Vanguard Inflation Protected Securities
Intermediate Bonds
30% Core Bond Fund

80/20

80% Equity

U.S. Large-Cap Blend
10% S&P 500 Index Fund
U.S. Small-Cap Value
30%  American Beacon Small Cap Value Fund
International Equity Blend
40%  Vanguard Total International Index Fund

20% Fixed Income

Inflation Protected Securities
5% Vanguard Inflation Protected Securities
Intermediate Bonds
15% Core Bond Fund

The following asset classes are missing from this portfolio:
U.S. REITS
Int'l REITS

You should try to invest in as many of these asset classes as possible through IRA or individual taxable accounts to arrive at a portfolio that comes close to the chart below: