Drawing lines on ground level (overdrawing point cloud scan)

Is there any way to draw lines/curves on a flat plane (ground) from a perspective view? I`m drawing walls in the point cloud scan of buildings but I would like to always draw on the ground level. Or should I simply push those lines to the ground plane after that? Is there any well-known trick for that? The best would be to choose the desired point from the point cloud and draw a line from the projected point to ground level but I don’t know if it’s possible.

Hi Marcin, use the project object snap

or you can use SetPT after drawing the pline


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Thank you very much for your help, again :slight_smile: