Yuji's Page

https://www.youtube.com/watch?v=BLU5hdAqEwc&t=3s

you can check how it works from link above

Grasshopper file to generate the toilet plan automatically.                        Once fill the floor area to the tag and automatically create a plan of the toilet.
Its also capable to design

the number of the toilet booth,sink,urinal

Female/Male 

Corridor to be single side corridor / toilet to be bothside of corridor 
The download file is a rhinoceros grasshopper file.
Data can be converted to dwg, dxf... from rhino
you can buy from the link below.

contact me for the detail, will send you download link to your email-address.

or you can buy from the link below!(^^)!

https://store.shopping.yahoo.co.jp/m-enter/