Kidney domes look great! However, you will need to appreciate that to build a kidney dome, there is more work involved which means a wil send you a tarp up to mark out the share of you pool. Then we will individually build each bow to fit your shape. Then we we will make customized patterns for your cover. The end product is we then have a pattern to suit your pool with costs about 35% more than a rectangle pool. However, compared to any other type of dome cover this will still be 80% cheaper than any other option.