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| Templates for the two backer-board sheets of ply |
At the outset however we need a recipe to work from, and you'll need to take one 1220 x 2440 x 25mm sheet of foam, one 120 x 60 x 6mm backer-board, four 2440 x 25mm beams, two 2440 x 25mm laths, two 100mm laths for the water-skis and one Nigella Lawson. Now set your ingredients to one side and watch Nigella Lawson on YouTube for at least half an hour, until the mixture's suitably stiff and you're in need of a cold workshop.
