THE TASK VIEW
...
Transformation controls
3D transformation controls

Drag to duplicate

2min
to duplicate 3d shapes, you can use the existing copy/paste and ctrl+d functionalities you can also duplicate 3d shapes by dragging a transform control handle while holding down shift+alt limitations this feature is not yet available for grouped and 2d shapes and does not copy shape properties how to use select a 3d shape click and drag on a transform control handle hold down shift+alt while dragging to create a duplicate of the shape