I started firing the one gallon ollas this morning. I could only get seven of them in the kiln! There are three layers in the stacking. This is the top with three. There are three in the middle and two on the bottom. I had hoped that I could finish the project with four more firings but, it’s not looking like that will happen. Maybe I could have squeezed in eight but that wouldn’t speed things along. It will take one more firing to finish the one gallons and I’m not sure how many to get all of the 1 1/2 gallon ollas fired; probably three.