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For most tools, the Inspector Bar is divided into three parts.
On the left side are two icons, Cancel and Properties.
Cancel: Ends an operation without completing it. For some tools, once the operation is complete the tool remains active. You must click Cancel, or activate another tools, to exit the tool. The hotkey for Cancel is the Esc key.
Properties: Opens the Properties window for the object you are creating. See Object Properties.
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