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You can now select sawings directly on the scene with a simple click, just like diamonds. This is also useful for opening the context menu, which appears for the active diamond. In Lines mode, the active diamond is now visually distinguished on the scene with thicker lines.
Scene context menu improvement
Context menu appears for the currently selected diamond, but now you to click on the diamond directly in the scene to make it active, without needing to select it from the diamonds panel first.
Layer selectable from the panel
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