Axis rotation illusion.
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Previously:
https://www.homemadetools.net/forum/...946#post232856
https://www.homemadetools.net/forum/...671#post235003
https://www.homemadetools.net/forum/...632#post223136
https://www.homemadetools.net/forum/...011#post221078
https://www.homemadetools.net/forum/...274#post214912
