{"product_id":"fidget-planetary-gear-with-three-teeth-planets","title":"fidget planetary gear with three-teeth-planets","description":"\u003cp\u003eNot really a new idea, but I really like those print-in-place herringbone planetary gears, the most famous probably by Emmett. They are really nice fidget toys and a great demonstration of what 3D-printing can do.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eFor this version however I used a completely different method to achieve these more rectangular teeth and well working planet gears with only 3 teeth (actually also 2 teeth are possible, but they don't run that smoothly).\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eIncluded are 3 versions with different tolerance settings; tol20 should be ok, if you find it too loose, try tol17.\u003c\/p\u003e\u003cp\u003eThe gears might need to be broken free individually with a bit of force; if that doesn't work, try a bigger tolerance.\u003c\/p\u003e\u003cp\u003eThe center hole fits a standard tool bit, you can use a power screw driver to break the gear in for smoother operation.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eIf you like interesting uncommon gear fidget things, try the \u003ca target=\"_blank\" href=\"https:\/\/makerworld.com\/en\/models\/484859\" rel=\"nofollow noopener\"\u003e\"binary sun gear\"\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eDesign by DrJones on MakerWorld (license: BY).\u003c\/p\u003e","brand":"Mymadmanlab","offers":[{"title":"Default Title","offer_id":67367361216816,"sku":null,"price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/0809\/5280\/files\/0_29abb043-460d-40ab-8e79-1de364e63330.png?v=1784013629","url":"https:\/\/mymadmanlab.com\/products\/fidget-planetary-gear-with-three-teeth-planets","provider":"Mymadmanlab.com","version":"1.0","type":"link"}