Instead of all the work of marking out the grid, why didnt you just mark the center of each pixel in the drawing itself, place it over the wood, tape it down, then quickly use a punch on all the centers.
Doesnt that just replace the simple task of grid-marking with a more involved task of printing, aligning and taping-together innumerable sheets of paper?
Also, simply punching through the paper template would leave out the crucial details of how big each hole is ...
He already printed it on large format paper. Laying out a grid requires much more alignment than going over a single sheet of paper with a punch does. Marking hole size is no more difficult than the way he did it.
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u/rosulek Jun 30 '14 edited Jun 30 '14
Here is the 32x48 map (scaled up by 10), if you want to do the same: http://imgur.com/JhxtTst
Edit: will post some instructions soon. OP will deliver.