paste objects relative to selection/on exact cursor position on model

[bloerwald]

trafficstars

[bloerwald]

@Adspartan adds:

On the water would be nice too

[bloerwald]

@SteffMC adds:

I think a snap mode during placement would be better. Nor during insert of model. So you can move a model and if snapping is on it snaps on bounding box corners.