Restaurant-Hopitality.com has an article with a link to a free dining room layout tool developed by a Cornell researcher that is supposed to help restaurant operators optimize their dining room layouts. I have not used it yet, but you can’t beat free.

Free tech tool optimizes your dining room layout

Here is the link to go directly to the Cornell website and download the tool. You’ll need to register with Cornell as a “user” to download it. You’ll can also then selecd to recieve their School of Hospitality newsletter which I strongly suggest:
Dining room layout optimizer

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