Nearly all Mac's sold after July 20, 2011 came with factory installs of OS X 10.7, the firmware will refuse to boot off the 10.6 disks even if they are the model specific ones, however if OS X 10..6 can be put on the drive via Firewire Target Disk mode or removing the drive an...
Use Inkscape to easily scale the design and then lay it out in whatever format you like. Want to compact as much as possible into a layout for putting directly on a sheet of foam board? Use Inkscape to reformat the plans on a new PDF layout, save the file on a thumb drive, and bri...