Do you have a marquee in 2D and are showing only the marquee region in 3D?
If so, it is possible to draw a morph "out in space" beyond the invisible marquee region... and it will not show in 3D. Either show all in 3D, or make sure that you snap your Morph to something visible?
AC 28 USA and earlier • macOS Sequoia 15.3, MacBook Pro M2 Max 12CPU/30GPU cores, 32GB
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