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This page reviews DIY methods of making PCB boards:
This is a print/chemical method for precoated boards: http://wiki.sgmk-ssam.ch/wiki/PCB_Etching
For uncoated, you can use glossy paper and toner-transfer either with an iron or a laminator.
- see also methods of milling PCBs - Multi-material additive and subtractive prosumer digital fabrication with a free and open-source convertible delta RepRap 3-D printer