https://www.youtube.com/watch?v=oJb9RnAVDuE
Pretty sure I figured out how this works from the video - see if you can too!
Spoiler
@pete two mirrors in L shape formation at 45 degrees to pov and mirror on the right along the pov?
https://www.youtube.com/watch?v=oJb9RnAVDuE
Pretty sure I figured out how this works from the video - see if you can too!
Spoiler
@pete two mirrors in L shape formation at 45 degrees to pov and mirror on the right along the pov?
Spoiler
@pete not sure what do you mean exactly, but I 8magine a picture like below. actually, come to think of it, the wedge has to be obtuse 120 degrees angle