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Scaling
This can be done quite easily by using markers and setting a constraint, then updating the alignment to apply the constraint.
Exporting
Exporting ST Maps:
Go to Exports and then to Camera Alignment, select ST Maps and use these settings (or our export config):
Exporting Alembic
Go to Exports and then to Dense Mesh Model and Textures, select Alembic (*.abc) and use these settings (or our export config):
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