3D eraser

the eraser works similarly to the brush tool, but instead of coloring, the eraser will unclassify points within the brush area you can activate the eraser by clicking the erase button in the left side toolbar or using the shortcut n a locked class will not be erased by the eraser tool quick erase sometimes you might be in the middle of classifying points and don't want to deactivate the selected class in this case, we recommend activating the quick eraser press alt while the drawing tool is active, this will activate the eraser temporarily in other words, once you let go of the shortcut you will return to the drawing mode again