1. Choose ice

2. Choose any "painting" tool from the first four

3. Draw/fill any space with that

4. Choose fire

5. Choose a pencil (draw) if you didn't choose it first

6. Choose thickness wisely according to your purposes

7. You can pause it all if it's necessary or if you want to make some more complex figures

8. Place a dot/dots of fire in a way you wish (remember to unpause it afterwards lmao)

9. While the hole of water creates itself...

9.1. ...you can pause/unpause it in a good moment

10. You choose a material (needless to say it better be solid)

11. Choose a bucket (flood fill) with which you fill that circle of water

12. Because of an ice surrounding (and a temperature difference), if you did unpause it, you'll get an optional border which you can fill, as that ice, however you like

13. Voila!