Laser pole/tripod

[SammyInnit]

I used it to fly up to where the OP wants his laser line, and put my hand out of the window with a pencil.

Sometimes the old ways are the best. Chocks away. (Or sea equivalent)

Some times the old ways just aren't useful at all but here we are.

 

[catlad]

Thanks for the info Job and knock
The information I read is it crashed on its second test run, which is no better
than a balloon in my book !!!