You can get a good sims version of a roman-style floorplan in a few of the pics which could be helpful for a house you can plop down everywhere. Gissence's Roman Bath is beautiful too.įor building ideas, Nilxis again has some Roman-themed buildings in this new unpublished world. Venusprincess100 already mentioned Ancient Roman Home by Yogi-Tea. Something like stripping out all roads would be very easy.) (CAW is mainly a pain for big redos or for sculpting and painting - moving things around is easy and it auto rebuilds routing and auto merges trees now on save so there's nothing to worry about.
If the world you like is too modern or has other problems and doesn't come with CAW files you can extract it from the sims3pack and edit it yourself. You could use an Egyptian world like Al Shibalba too. There are cute mediterranean worlds - Nilxis has some to start with.