Up until the version i have on my drive now they were all 500000urists. (dwarves are 60000) I think they were based off horses initially, and I never thought to change it, I did look into the sizes after ExOtto said everything was a pushover and realized that due to the relative sizes, all non-modded creatures were complete pushovers. I tweaked everything down quite a lot..
But I
liked having the normal creatures be pushovers! It's what would happen, I think, and it makes an interesting point about the original game, that the dwarves are so small that they have to rely on training and engineering, while ponies, for example, can just trust to raw strength and applebucking. I wouldn't want to be the goblin warlord who led his army to invade Equestria. (Nor Griffonstan. It's the common consensus of all fantasy that griffins are not to be messed with -- but in FIM, they're a peripheral minor power...)
Scaled-down ponies will also make it even harder to figure out what's going on with that phantom-sieges situation.
Perhaps I can try debugging that by scaling up dwarves...
As for sizes, though, that image ref is pretty compelling. I'd had the impression that the ponies were about the size of real-world ones...
Also, taliakirana, thanks a lot for the tip on magic looms! They weren't in the 34.11 mod (edit: or rather, in Fanon is Magic for 34.11 -- I think it's a relative of this mod), but this will be good to know for the current one.
My understanding is that bone's advantage is the same as ivory's, that it's durable, relatively lightweight, and easy to work. I wonder what pony product (preferably one with Classical mythological overtones, like magic fleece) could serve in that role...