Hm.
Okay so I'm putting this here so it's not buried in comments again:

Make a compatibility patch for At War: Starbase Improvements (not the original by Dadinator, but the 2.6+ compatible ones). That mod allows the creation of Heavy Defense Platforms, with twice the slots, but on modded shipsets this causes all the extra weapon bits to be shoved into the center of the platform which is still using the regular defense platform model. I think you mentioned there being fortress models you could use?

yes this is a good idea i have this issue myself lol

i put this in comments but it got drowned out and really think its worth posting proper.
i just seen your habitats for the first time i like them, going for a mini ring world type theme. i have an idea for improving on this if i may. Give it an artificial sun, cover half of it in your dyson sphere for example to simulate the rings rotation of night and day. you could even just use a shrunken neutron or pulsar to make it look like it being generated by the ring itself.

https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=2102574162
little crude edit i did with windows picture editor to show what i mean

i would keep the tier 2 habitat but put the ring at the bottom that rotates way slower then it does at the moment , you know , something like the sentry arrey has

small suggestion, since ecumenopolis color is based off of your chosen shipset i feel like white would be a better suited color to separate it from the other ships.

Maybe, just maybe, you could try to add compatibility with Giga Structure Engineering. I'd love to see a dreadnought styled ship the size of a system.

It's already compatible with Gigastructures :)

Any way to make this achievement/Ironman compatible?

Sadly not, unless I override a vanilla gfxculture

could we have a version of this ship set that doesn't alter the ring world appearance?

I'm in the process of removing the machine destroyed ringworld so that the default ones are not overridden.

So do you think you'll ever add a cityscape to go with this?

...there already is one.

Great MOD, wish there were more Megastructure related content, like easier build or deletion of Megastructure.