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  "difficulty_level": "Easy",
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    {
      "text": "Start by cutting perfect equal squares 10 cm apart. The more precise they are, the more beautiful your coasters will. \n\nMake sure that you have a plastic sheet thick enough to be able to hollow out the circle that will accommodate the food of the glass. You need about 5 mm so use a sheet of at least 1cm thick",
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      "title": "Cut the squares",
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      "title": "Hollow the circle (1)",
      "text": "Now that you have your squares, you need à lathe machine to do your hollow circles. \n\nWedge your square well in the clamping elements and make a first hole in the center of 5 mm deep. ",
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    {
      "text": "Now that you have your center hole you can start to do the rest of the circle. \n\nMake sure to stop digging when you have 5 mm of edge left on each side. ",
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      "title": "smooth it out",
      "text": "With a polishing machine, round the 4 angles and smooth the faces if necessary. \n\nAlso round the edge of the hollow circle"
    },
    {
      "text": "Now you can drink a glass on a magnificent under glass coaster :)",
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      "title": "Final result",
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