Google colab notebook with the steps up to 3d rendering: <a href="https://colab.research.google.com/drive/1sV0m1AyIPSsClDgB8ZZS2UUir64lq4i-?usp=sharing" rel="nofollow">https://colab.research.google.com/drive/1sV0m1AyIPSsClDgB8ZZ...</a><p>(from the penultimate paragraph)