laser cutting double sided pcbs

I put this in off topic as it is not linuxcnc in content but for those who may be into prototyping PCBs
www.google.com/amp/s/www.instructables.c...ter/%3famp_page=true

Interesting concepts . They would need some refinement to make them more practical. I can see via's and through
hole plating being a problem. That said there are ways around that. For one off got to have it that day I guess it
would work.. Call me a snob but I will stick with a fab house. Otherwise its perf-board and wire wrap or milled copper clad.
 

that is definitely an interesting concept. I may give it a try someday.