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      "title": "Have a mould",
      "text": "We are adding a part to an existing mould. In this example we use the hexagon tile mould. It's a simple 3 part flat mould held together with boults. Outer size : 15 x 15 cm. The top and bottom plate are 10mm, the center part with hexagon cutout is 4mm.\n\nWe will describe how to do lasercutting and CNC milling. For acces to a lasercutter/cnc milling device you can check with your local Fablab/makerspace, sometimes even high schools or universities.\n\nFor the lasercut add ons we use 4mm acrylic plates (15 x15cm).\nFor the CNC we used 3mm aluminium plates (15 x 15cm).\n",
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      "title": "Design a pattern",
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      "text": "We used software to create different patterns. Make sure the text is mirrored as we are producing a negative. Depending on the technique used you might need a specific export format.\n\nYou can add information (plastic type, production info) as you wish.\n\nWith lasecutting there is virtually no limit in shapes you can cut. Do mind that smaller detail is harder to inject. In our experience 2-3mm is possible with HDPE injection. \n\nWhen CNC milling the limit is set by the router bit. As it cuts by turning all corners are smoothed out by the diameter of the router bit. Check the limit of the machine you are using. We used a 1mm router bit. \n"
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      "title": "Create a compatible file ",
      "text": "When lasercutting a 2D file is sufficient. Some software allows to use PNG, AI or other files. \n\nWhen CNC milling a 3D file is needed. Using software like Fusion 360 you can change your vector file into a 3D shape.\n\nIn our example we've set the cutting depth to 1.5mm.\n\n"
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      "title": "Lasercut",
      "text": "Depending on the type of cutter used settings will differ. \n\nBest is to do some test cuts first, changing the speed and intensity of the laser. Acrylic is safe to ut but does smell so dust extraction is advised. \n\nMake sure the pattern is not cut trough the acrylic plate as it will weaken the texture mould and make it less durable (although its possible for some shapes).\n\nMake sure the edges are cut through to prevent having to drill and cut manually later on in the proces. \n\nYou can use multiple depths in one mould by assigning different settings to the cutting lines. "
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      "title": "CNC milling",
      "text": "Run the file through the software, clamp the material in place and start milling.  \n\nAgain it is wise to do some speed tests first. ",
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      "text": "Add the texture plate to the mould and start injecting. \n\nBest results when cooling down the mould quickly.\n\n"
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