I don’t have time to learn how to wrangle Kaleidoscope from scratch - so I’ve ported QMK to the Model 01 instead.
You can find it here on Github; assuming you have a suitable dev setup all you need to do is type
make model01:avrdude and your keyboard will be programmed.
It doesn’t support fancy dancy magic prancy LED effects, and QMK doesn’t support mouse warping either. But it does keys, which is what I was after