For a while ModelConverterX has a feature that you can use the select mode to select a node interactively in the preview. I have now modified this functionality so that you can also select multiple nodes at once by dragging an area with the mouse, before only a single click on an object was supported. The video below gives a short demonstration of this modified functionality.
As you might see in the video, I did also change how the interaction mode is selected. Before it was a dropdown menu, but I have modified it to button now as that makes it easier to select a new mode. The keyboard shortcuts to select a new interaction mode are still the same.
Since the mouse can now to used to drag the selection area, you can no longer rotate or pan the preview while you are in selection mode. Zooming with the mouse wheel is still supported.
SceneryDesign.org