Homebrew PCBs

hi guys,

I got to the point where I can etch 6 mils traces and 32 mils vias with a 12 mils hole with inkjet paper. To align both side, I tried inkjet transparent but those get deformed at some places during printing and it's impossible to align the vias. A part of them are ok while other are only touching by the side.
Taping the transparent on 200g paper didn't help.
Do someone solve this problem ?

Mike.



      

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