Idea: 3 coin percentage mining

[justabitoftime]

If there’s already a solution similar, please let me know.

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A mining front end that allows you choose percentages for 3 specific coins:

Coin A: 60 percent
Coin B: 25 percent
Coin C: 15 percent

Obviously additional variables could be added to factor in Litecoin pricing and difficulty adjustments. Is there anything like out there? I’m not interested in a choinchoose approach.