Use the Merge Visible Vector
Layers button to combine multiple visible layers into a single new layer, or
select multiple vector layers in the Project Tree and merge them into a single
layer. This decreases the memory requirements of the Carveco model. However,
because these layers have been consolidated into a single layer they can no
longer be edited separately.
To merge visible vector layers:
Each subsequent merged layer is numbered consecutively. For example, Merged Layer 1. The visible layers that hosted the vector artwork prior to merging remain in the stack, although they are now hidden and empty.
To merge selected vector layers:
See also