// openscad module gear_12_24() { pts = [ [0.812398,-0.336506], [0.813333,-0.33424], [0.814262,-0.331971], [0.815184,-0.3297], [0.8161,-0.327426], [0.81701,-0.325149], [0.817913,-0.32287], [0.81881,-0.320588], [0.819701,-0.318304], [0.820585,-0.316018], [0.82241,-0.312548], [0.82492,-0.309307], [0.82801,-0.306387], [0.831573,-0.303882], [0.835506,-0.301887], [0.839701,-0.300496], [0.844054,-0.299802], [0.84846,-0.299899], [0.852813,-0.300881], [0.886157,-0.312645], [0.887943,-0.313192], [0.893381,-0.314529], [0.902565,-0.316196], [0.915543,-0.317722], [0.93232,-0.318634], [0.952854,-0.31846], [0.977061,-0.316729], [1.00481,-0.312979], [1.03587,-0.306741], [1.03763,-0.30073], [1.03936,-0.294708], [1.04105,-0.288676], [1.04271,-0.282635], [1.04433,-0.276584], [1.04591,-0.270524], [1.04747,-0.264455], [1.04898,-0.258377], [1.05052,-0.252305], [1.02668,-0.231358], [1.00452,-0.214235], [0.984426,-0.200633], [0.96673,-0.190215], [0.951745,-0.182617], [0.939742,-0.177449], [0.930955,-0.1743], [0.925577,-0.172739], [0.923758,-0.17232], [0.888998,-0.165836], [0.884737,-0.16451], [0.880873,-0.162391], [0.87745,-0.159613], [0.874513,-0.156311], [0.872105,-0.152617], [0.870271,-0.148666], [0.869055,-0.144593], [0.868502,-0.14053], [0.868656,-0.136613], [0.869034,-0.134191], [0.869405,-0.131767], [0.869769,-0.129343], [0.870126,-0.126918], [0.870476,-0.124491], [0.87082,-0.122064], [0.871157,-0.119635], [0.871487,-0.117206], [0.871811,-0.114776], [0.872127,-0.112345], [0.872437,-0.109913], [0.87274,-0.10748], [0.873036,-0.105047], [0.873326,-0.102612], [0.873608,-0.100177], [0.873884,-0.0977409], [0.874153,-0.0953041], [0.874416,-0.0928665], [0.875281,-0.089043], [0.876866,-0.0852622], [0.879095,-0.0816421], [0.881889,-0.0783008], [0.885171,-0.0753562], [0.888863,-0.0729263], [0.892888,-0.071129], [0.897169,-0.0700825], [0.901627,-0.0699047], [0.936881,-0.0726379], [0.938747,-0.0727039], [0.944346,-0.0725881], [0.953648,-0.0718205], [0.966579,-0.0699355], [0.983021,-0.0664747], [1.00281,-0.0609916], [1.02574,-0.0530545], [1.05158,-0.0422502], [1.07997,-0.0281859], [1.08011,-0.0219234], [1.08022,-0.0156601], [1.08029,-0.00939626], [1.08033,-0.00313212], [1.08033,0.00313212], [1.08029,0.00939626], [1.08022,0.0156601], [1.08011,0.0219234], [1.08003,0.0281876], [1.05158,0.0422502], [1.02574,0.0530545], [1.00281,0.0609916], [0.983021,0.0664747], [0.966579,0.0699355], [0.953648,0.0718205], [0.944346,0.0725881], [0.938747,0.0727039], [0.936881,0.0726379], [0.901627,0.0699047], [0.897169,0.0700825], [0.892888,0.071129], [0.888863,0.0729263], [0.885171,0.0753562], [0.881889,0.0783008], [0.879095,0.0816421], [0.876866,0.0852622], [0.875281,0.089043], [0.874416,0.0928665], [0.874153,0.0953041], [0.873884,0.0977409], [0.873608,0.100177], [0.873326,0.102612], [0.873036,0.105047], [0.87274,0.10748], [0.872437,0.109913], [0.872127,0.112345], [0.871811,0.114776], [0.871487,0.117206], [0.871157,0.119635], [0.87082,0.122064], [0.870476,0.124491], [0.870126,0.126918], [0.869769,0.129343], [0.869405,0.131767], [0.869034,0.134191], [0.868656,0.136613], [0.868502,0.14053], [0.869055,0.144593], [0.870271,0.148666], [0.872105,0.152617], [0.874513,0.156311], [0.87745,0.159613], [0.880873,0.162391], [0.884737,0.16451], [0.888998,0.165836], [0.923758,0.17232], [0.925577,0.172739], [0.930955,0.1743], [0.939742,0.177449], [0.951745,0.182617], [0.96673,0.190215], [0.984426,0.200633], [1.00452,0.214235], [1.02668,0.231358], [1.05046,0.25229], [1.04898,0.258377], [1.04747,0.264455], [1.04591,0.270524], [1.04433,0.276584], [1.04271,0.282635], [1.04105,0.288676], [1.03936,0.294708], [1.03763,0.30073], [1.03593,0.306759], [1.00481,0.312979], [0.977061,0.316729], [0.952854,0.31846], [0.93232,0.318634], [0.915543,0.317722], [0.902565,0.316196], [0.893381,0.314529], [0.887943,0.313192], [0.886157,0.312645], [0.852813,0.300881], [0.84846,0.299899], [0.844054,0.299802], [0.839701,0.300496], [0.835506,0.301887], [0.831573,0.303882], [0.82801,0.306387], [0.82492,0.309307], [0.82241,0.312548], [0.820585,0.316018], [0.819701,0.318304], [0.81881,0.320588], [0.817913,0.32287], [0.81701,0.325149], [0.8161,0.327426], [0.815184,0.3297], [0.814262,0.331971], [0.813333,0.33424], [0.812398,0.336506], [0.811457,0.33877], [0.810509,0.341031], [0.809555,0.343289], [0.808595,0.345545], [0.807628,0.347798], [0.806656,0.350048], [0.805676,0.352296], [0.804691,0.354541], [0.8037,0.356783], [0.802537,0.360527], [0.80202,0.364594], [0.802139,0.368843], [0.802888,0.373134], [0.804258,0.377325], [0.806241,0.381275], [0.808828,0.384845], [0.812012,0.387891], [0.815785,0.390275], [0.847682,0.405534], [0.84933,0.40641], [0.854122,0.40931], [0.861794,0.414626], [0.87205,0.422724], [0.884558,0.433941], [0.898955,0.448585], [0.914847,0.466925], [0.931818,0.489199], [0.949371,0.515573], [0.946365,0.521069], [0.943328,0.526548], [0.940259,0.532009], [0.937158,0.537452], [0.934026,0.542877], [0.930863,0.548284], [0.927668,0.553672], [0.924442,0.559042], [0.921238,0.564425], [0.889568,0.562379], [0.861793,0.558818], [0.837963,0.554225], [0.818083,0.549079], [0.802115,0.543856], [0.789974,0.539023], [0.781534,0.535036], [0.776627,0.532337], [0.775044,0.531347], [0.74588,0.511353], [0.74193,0.509278], [0.737699,0.508044], [0.733315,0.507587], [0.728902,0.507846], [0.724588,0.508755], [0.720497,0.510252], [0.716757,0.512272], [0.713494,0.514754], [0.710833,0.517633], [0.709387,0.519612], [0.707936,0.521588], [0.706479,0.52356], [0.705016,0.525528], [0.703548,0.527491], [0.702075,0.529451], [0.700596,0.531406], [0.699112,0.533357], [0.697622,0.535304], [0.696127,0.537247], [0.694626,0.539186], [0.69312,0.54112], [0.691609,0.543051], [0.690092,0.544977], [0.68857,0.546899], [0.687043,0.548816], [0.68551,0.55073], [0.683972,0.552639], [0.68188,0.555954], [0.680328,0.559749], [0.679344,0.563884], [0.678957,0.568222], [0.679195,0.572625], [0.680088,0.576954], [0.681663,0.581071], [0.68395,0.584838], [0.686977,0.588117], [0.713838,0.611112], [0.715204,0.612385], [0.719081,0.616426], [0.725116,0.623547], [0.732927,0.634023], [0.742105,0.648096], [0.752221,0.665966], [0.762826,0.687795], [0.773453,0.713702], [0.783581,0.743721], [0.779256,0.748252], [0.774904,0.752757], [0.770526,0.757238], [0.766123,0.761693], [0.761693,0.766123], [0.757238,0.770526], [0.752757,0.774904], [0.748252,0.779256], [0.743763,0.783627], [0.713702,0.773453], [0.687795,0.762826], [0.665966,0.752221], [0.648096,0.742105], [0.634023,0.732927], [0.623547,0.725116], [0.616426,0.719081], [0.612385,0.715204], [0.611112,0.713838], [0.588117,0.686977], [0.584838,0.68395], [0.581071,0.681663], [0.576954,0.680088], [0.572625,0.679195], [0.568222,0.678957], [0.563884,0.679344], [0.559749,0.680328], [0.555954,0.68188], [0.552639,0.683972], [0.55073,0.68551], [0.548816,0.687043], [0.546899,0.68857], [0.544977,0.690092], [0.543051,0.691609], [0.54112,0.69312], [0.539186,0.694626], [0.537247,0.696127], [0.535304,0.697622], [0.533357,0.699112], [0.531406,0.700596], [0.529451,0.702075], [0.527491,0.703548], [0.525528,0.705016], [0.52356,0.706479], [0.521588,0.707936], [0.519612,0.709387], [0.517633,0.710833], [0.514754,0.713494], [0.512272,0.716757], [0.510252,0.720497], [0.508755,0.724588], [0.507846,0.728902], [0.507587,0.733315], [0.508044,0.737699], [0.509278,0.74193], [0.511353,0.74588], [0.531347,0.775044], [0.532337,0.776627], [0.535036,0.781534], [0.539023,0.789974], [0.543856,0.802115], [0.549079,0.818083], [0.554225,0.837963], [0.558818,0.861793], [0.562379,0.889568], [0.564393,0.921185], [0.559042,0.924442], [0.553672,0.927668], [0.548284,0.930863], [0.542877,0.934026], [0.537452,0.937158], [0.532009,0.940259], [0.526548,0.943328], [0.521069,0.946365], [0.515603,0.949425], [0.489199,0.931818], [0.466925,0.914847], [0.448585,0.898955], [0.433941,0.884558], [0.422724,0.87205], [0.414626,0.861794], [0.40931,0.854122], [0.40641,0.84933], [0.405534,0.847682], [0.390275,0.815785], [0.387891,0.812012], [0.384845,0.808828], [0.381275,0.806241], [0.377325,0.804258], [0.373134,0.802888], [0.368843,0.802139], [0.364594,0.80202], [0.360527,0.802537], [0.356783,0.8037], [0.354541,0.804691], [0.352296,0.805676], [0.350048,0.806656], [0.347798,0.807628], [0.345545,0.808595], [0.343289,0.809555], [0.341031,0.810509], [0.33877,0.811457], [0.336506,0.812398], [0.33424,0.813333], [0.331971,0.814262], [0.3297,0.815184], [0.327426,0.8161], [0.325149,0.81701], [0.32287,0.817913], [0.320588,0.81881], [0.318304,0.819701], [0.316018,0.820585], [0.312548,0.82241], [0.309307,0.82492], [0.306387,0.82801], [0.303882,0.831573], [0.301887,0.835506], [0.300496,0.839701], [0.299802,0.844054], [0.299899,0.84846], [0.300881,0.852813], [0.312645,0.886157], [0.313192,0.887943], [0.314529,0.893381], [0.316196,0.902565], [0.317722,0.915543], [0.318634,0.93232], [0.31846,0.952854], [0.316729,0.977061], [0.312979,1.00481], [0.306741,1.03587], [0.30073,1.03763], [0.294708,1.03936], [0.288676,1.04105], [0.282635,1.04271], [0.276584,1.04433], [0.270524,1.04591], [0.264455,1.04747], [0.258377,1.04898], [0.252305,1.05052], [0.231358,1.02668], [0.214235,1.00452], [0.200633,0.984426], [0.190215,0.96673], [0.182617,0.951745], [0.177449,0.939742], [0.1743,0.930955], [0.172739,0.925577], [0.17232,0.923758], [0.165836,0.888998], [0.16451,0.884737], [0.162391,0.880873], [0.159613,0.87745], [0.156311,0.874513], [0.152617,0.872105], [0.148666,0.870271], [0.144593,0.869055], [0.14053,0.868502], [0.136613,0.868656], [0.134191,0.869034], [0.131767,0.869405], [0.129343,0.869769], [0.126918,0.870126], [0.124491,0.870476], [0.122064,0.87082], [0.119635,0.871157], [0.117206,0.871487], [0.114776,0.871811], [0.112345,0.872127], [0.109913,0.872437], [0.10748,0.87274], [0.105047,0.873036], [0.102612,0.873326], [0.100177,0.873608], [0.0977409,0.873884], [0.0953041,0.874153], [0.0928665,0.874416], [0.089043,0.875281], [0.0852622,0.876866], [0.0816421,0.879095], [0.0783008,0.881889], [0.0753562,0.885171], [0.0729263,0.888863], [0.071129,0.892888], [0.0700825,0.897169], [0.0699047,0.901627], [0.0726379,0.936881], [0.0727039,0.938747], [0.0725881,0.944346], [0.0718205,0.953648], [0.0699355,0.966579], [0.0664747,0.983021], [0.0609916,1.00281], [0.0530545,1.02574], [0.0422502,1.05158], [0.0281859,1.07997], [0.0219234,1.08011], [0.0156601,1.08022], [0.00939626,1.08029], [0.00313212,1.08033], [-0.00313212,1.08033], [-0.00939626,1.08029], [-0.0156601,1.08022], [-0.0219234,1.08011], [-0.0281876,1.08003], [-0.0422502,1.05158], [-0.0530545,1.02574], [-0.0609916,1.00281], [-0.0664747,0.983021], [-0.0699355,0.966579], [-0.0718205,0.953648], [-0.0725881,0.944346], [-0.0727039,0.938747], [-0.0726379,0.936881], [-0.0699047,0.901627], [-0.0700825,0.897169], [-0.071129,0.892888], [-0.0729263,0.888863], [-0.0753562,0.885171], [-0.0783008,0.881889], [-0.0816421,0.879095], [-0.0852622,0.876866], [-0.089043,0.875281], [-0.0928665,0.874416], [-0.0953041,0.874153], [-0.0977409,0.873884], [-0.100177,0.873608], [-0.102612,0.873326], [-0.105047,0.873036], [-0.10748,0.87274], [-0.109913,0.872437], [-0.112345,0.872127], [-0.114776,0.871811], [-0.117206,0.871487], [-0.119635,0.871157], [-0.122064,0.87082], [-0.124491,0.870476], [-0.126918,0.870126], [-0.129343,0.869769], [-0.131767,0.869405], [-0.134191,0.869034], [-0.136613,0.868656], [-0.14053,0.868502], [-0.144593,0.869055], [-0.148666,0.870271], [-0.152617,0.872105], [-0.156311,0.874513], [-0.159613,0.87745], [-0.162391,0.880873], [-0.16451,0.884737], [-0.165836,0.888998], [-0.17232,0.923758], [-0.172739,0.925577], [-0.1743,0.930955], [-0.177449,0.939742], [-0.182617,0.951745], [-0.190215,0.96673], [-0.200633,0.984426], [-0.214235,1.00452], [-0.231358,1.02668], [-0.25229,1.05046], [-0.258377,1.04898], [-0.264455,1.04747], [-0.270524,1.04591], [-0.276584,1.04433], [-0.282635,1.04271], [-0.288676,1.04105], [-0.294708,1.03936], [-0.30073,1.03763], [-0.306759,1.03593], [-0.312979,1.00481], [-0.316729,0.977061], [-0.31846,0.952854], [-0.318634,0.93232], 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