When I ordered my miniature dogs from Lucy Francis, I sent her reference photos and measurements for Daisy (as best I was able to get them on a wiggly puppy, without Geoff’s help) and some I had for Rosy from when my sister knit her a sweater years ago.
The dogs’ sizes came out good relative to each other, but they seemed a bit bigger than 1:12. Here they are on a 1:12 sofa:
Compared to real life:
And with 1:12 figures:
Compared to me:
I didn’t have any Barbie dolls to check them with, but they seemed closer to 1:6 scale. I mentioned this to Lucy and she actually offered to redo them, but I somehow missed the email until it was too late. But that’s okay! Since I was planning to build the fireplace from scratch, I could fudge the scale.