The grinder is complete!
As for the island and the city (that may or may not get built, depending on interest):
I added a road system that goes in the 4 cardinal directions from the exit portal. Off of these main roads, I added smaller roads that connect to the obsidian pillars, to serve as a starting point for anyone that wants to build their own roads and connections. I'm following the standard SG6 road design.
There's quite a lot of space for builds, so if anyone wants to build anything go right ahead! I'll be building an end house for my enchanted books, and maybe a public farming area. If houses (and other structures) are built, just make sure to light it up all the way to prevent any mobs from spawning.
We also need to decide whether to allow resource gathering in the end. Personally, I would say no, but that isn't my call.
Things that are left to do:
1. Bring villagers to the iron farm. It's all prepped and ready, but it needs villagers in the leaf basket.
2. Add a rail system to the exit portal and to the grinder (?)
3. Finish up connecting the obsidian pillars (I'll get to this tomorrow).
4. Build stuff! (maybe)
There used to be something here..