Image backdrop -

 From:  PaQ
2925.5 In reply to 2925.3 
>> Right now it may be helpful to draw a rectangle to snap on to before running the command.

Hi Michael,

That's exactly the point, I was trying to place 5 images to create a 'classic' car blueprint, without any geometry behind to 'drive' the placement.
For sure, by creating first the car bouding box, image placement is much more easier.
Probably I just have to be used to that workflow ;)