How can I find normal rectangle windows?

I just want to be able to set the interior and exterior sides of the same window to different color swatches. And I want more of the basegame windows to have swatches that don't include white trim.

Have you tried the Octopane windows? They have divisions in the panes, but otherwise seem like what you want.

If you're not opposed to CC, Mutske on Simsresource has a set of windows that I think are exactly what you're looking for.

I tested them in game and they fit flush up against each other and there's also one that is opened, which I thought was nice.

I look a screenshot so you could see what they look like in game since in her preview pic it's hard to tell exactly how wide they are.

https://i.imgur.com/oSekmb4.png

Here's the D/L link if you're interested:
https://www.thesimsresource.com/artists/Mutske/downloads/details/category/sims4-sets/title/new-york-constructionset-part-3/id/1457374/

Yes @Chicklet453681 ! Rectangle windows! Thank you!