The documentation update for v0.4,2 is still a work in progress.
In the meantime, I've made a couple of lower production quality videos covering some aspects of Sprytile usage.
In this video, I touch on two methods to create non blocky scenes with Sprytile. There are many ways to do this, these are just a couple of ideas.
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This video is a demonstration of Set Normal Mode, which can be used to build with tiles even when the axis is not on the global XYZ plane.
If you'd like to ask for help, please feel free to ask in the forums or reach out on Twitter. We also have a community Discord chat server for more immediate help.