The Preview Mesh
Hold the BACKSLASH shortcut to display the Preview Mesh under the mouse's current location within the Editor viewport.

Hold the BACKSLASH shortcut to display the Preview Mesh under the mouse's current location within the Editor viewport. Use with the SHIFT modifier to cycle through the designated Preview Meshes.
Useful for previewing specific test Static Meshes in certain environments.
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06/More Tips
Atmospheric Sun Rotation ShortcutThe rotation of the Atmospheric Sun Light can be easily modified by holding CTRL + L and moving around the mouse.
Viewport
Lighting
+1
Toggle Light Radius IndicatorYou can toggle the light radius indicator on or off by holding down ALT and pressing R.
Lighting
Viewport
+1
Spawn Point Light ShortcutQuickly spawn a point light at the current mouse world location by holding L and then left-clicking.
Lighting
Viewport
+1
Regulate Emissive ExposureUtilize the EyeAdaption node to keep emissive materials consistency across difference exposure levels.
Materials
Lighting
+1
The Measurement ToolYou can access the Measurement Tool by pressing down and dragging the Middle Mouse Button within a level viewport that has been set to an Orthographic...
Shortcuts
Viewport
Viewport View Mode ShortcutsUtilize the CTRL + MMB + Drag shortcuts to quickly switch between viewport view modes. These are immensely useful for speeding up level design!
Viewport
Shortcuts