Hi, All!
This is just adapter for
https://cults3d.com/en/3d-model/home/k1-castle-riser
https://cults3d.com/en/3d-model/home/k1-max-riser
Because it is not compatible with Creality K1/K1C
PS You will need:
1. 4xM3x20
2. to cut the "helper leg" (see picture)
The author marked this model as their own original creation.