{"parts":[{"path":"./inventory/80d89185-b8cd-427a-ab2f-467b58b20991/v1/","files":{"meta":"{\"format\":1,\"id\":\"80d89185-b8cd-427a-ab2f-467b58b20991\",\"version\":1,\"kind\":\"source\",\"slug\":\"lego-technic-spur-gear\",\"name\":\"Technic Spur Gear\",\"publisher\":\"ReDo.Pro\",\"license\":\"CC-BY-SA-4.0\",\"material\":{\"material\":\"abs-glossy\"},\"summary\":\"LEGO's reinforced spur gear at module 1: flat-topped teeth on a 6 mm hub one stud long, the pitch circle N/2 across, tips 0.97 past it, each tooth 1.2 thick to 0.16 past the pitch circle and narrowing to a 0.56 tip, 3.8 mm across the face, with a rib under every tooth running the hub's length. 8 teeth is 10928, 9.94 mm across; with the sliding hole, two quarters of the cross opened round, 11955. Web builds LEGO's other spur gears on an axle cross: disc is 69778, 12 involute teeth on a disc round a Ø7.2 hub; spokes is 94925, 16 teeth on a rim held by four spokes, the cross slotted to r 4; rim is 69779, 20 involute teeth on a stepped rim and four spokes. Two at half their teeth added in millimetres apart mesh tooth in gap: 8 + 8 at 8 mm, 8 + 24 at 16 on beam holes.\",\"keywords\":[\"LEGO\",\"Technic\",\"gear\",\"spur gear\",\"8 tooth\",\"reinforced\",\"axle\",\"12 tooth\",\"16 tooth\",\"20 tooth\",\"involute\"],\"attributes\":{\"system\":\"LEGO Technic\"},\"parameters\":[{\"name\":\"teeth\",\"label\":\"Teeth\",\"type\":\"number\",\"default\":8,\"min\":8,\"max\":20,\"step\":1},{\"name\":\"hole\",\"label\":\"Hole\",\"type\":\"enum\",\"default\":\"axle\",\"options\":[\"axle\",\"sliding\"],\"optionLabels\":{\"axle\":\"axle cross\",\"sliding\":\"sliding cross\"}},{\"name\":\"web\",\"label\":\"Web\",\"type\":\"enum\",\"default\":\"ribs\",\"options\":[\"ribs\",\"disc\",\"spokes\",\"rim\"],\"optionLabels\":{\"ribs\":\"ribs on a 6 mm hub (8 to 15 teeth)\",\"disc\":\"disc round a Ø7.2 hub (12 teeth)\",\"spokes\":\"four spokes in a rim (16 teeth)\",\"rim\":\"spokes in a stepped rim (20 teeth)\"}}],\"slots\":[{\"name\":\"body\",\"label\":\"Body\",\"default\":\"#c91a09\",\"palette\":\"lego\"}],\"related\":[\"11bc2d07-47ba-4ddb-80cd-36e485e7f0bf@1\"]}","source":"include <redo_lego.scad>\n\nteeth = 8;\nhole = \"axle\";\nweb = \"ribs\";\n\nredo_lego_technic_spur_gear(teeth, hole, web);\n"}}],"related":{"80d89185-b8cd-427a-ab2f-467b58b20991":[{"id":"11bc2d07-47ba-4ddb-80cd-36e485e7f0bf","version":1,"name":"Technic Axle","publisher":"ReDo.Pro","href":"/inventory/3rd-party/lego-system/parametric/lego-technic-axle"}]},"categories":{"80d89185-b8cd-427a-ab2f-467b58b20991":"parametric"},"skuCategories":{"80d89185-b8cd-427a-ab2f-467b58b20991":"lego-system"},"componentPages":{},"families":[]}