Drilling zones are a feature found on engineer keys and may not be found on a designer key.
Drilling Zones may be found in the Other part drop down and is a feature used to place different drilling patterns in very specific locations on partitions.
Select the part from the ribbon toolbar. Before left clicking to place on a partition, users can scroll the mouse wheel (or use the up/down keyboard keys) to change the height of the drilling zone.
Drilling zones move and delete like other parts. Right click to access Properties [Part]. This is where users can select the drilling mode and overall height (mm).
Use the Apply properties to.. feature at the bottom of the properties box to apply to other zones.
Drilling zones will show up as green blocks in the 3D view. This can be turned on/off using the Show Drilling Zones check box in the Parts section of the 3D ribbon toolbar.
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