Ho itlosa bolutu, Roka
Origami: Tsela ea ho etsa dodecahedron entsoe ka pampiri
Dodecahedron - e polyhedron entsoeng ka pentagons 12 tšoanang. Ena palo ya botlaaseng sete sekepe ho tloha lialmanaka komporong ea ho openwork flashlights emisitswe.
Mokhoa oa ho etsa dodecahedron entsoe ka pampiri?
U ka haha u inkele khutlotlhano - ke le bonolo le le e tiisa phahameng sebetsa ka ho nepahetseng taka. Ho haha khutlotlhano kamehla tla hloka sesupa-tsela le 'musi. Thala selika-likoe sa boholo batlang. Qeta kae kapa kae radius. Ho phetha o mong perpendicularly tlhokeng radius. Joale e mong oa radii e arotsoe ka likarolo tse peli tse lekanang. E mong le e halofo tla ba radius fapaneng, le selikalikoe tse nyenyane, e leng se tla phetha karolo ea thusang e. Ka mor'a moo, hokela e le setsi sa selika-likoe thusang ea sebakeng seo motheo lesakaneng radius intersects e mong (ka mohlala, ka nako e). Ntlha ea sephetho le tla intersect selika-likoe thusang ka ntlha e itseng - B. Distância AB ke e 'ngoe-ea leshome ea selika-likoe sa. Hore ke hole sesupa-tsela ho tšoaea ka lesakaneng botlaaseng, 'me joale amahanya lintlha tsena ka mela ka kotloloho ka mong - e khutlotlhano kamehla e loketse!
Ho na le mekhoa e meng. Ka mohlala, khutlotlhano ka hahoa sebelisa protractor, empa ha ho tiise ho nepahala ha eona. Fetisisa Lehi tsela - ho nka itokiselitse entsoeng sekemeng, hatisa eona, 'me bakeng sa ena, "mohlala" e se e tinkering tsa mesebetsi ea matsoho pampiri le letona. Empa mokhoa ona, le hoja e bonolo, hase kamehla ho loketse - hobane ka linako tse ling ho hlokahala hore u etse dodecahedron ea boholo ho khetheha. O ka hodisa e le 'ngoe khutlotlhano ho fihlela se lekana lakatsa le hatisa mo feela, ka nako eo a hahe mokhabo ka temperaturdiagramm e ka tlaase.
Empa "mohlala" - ke e-s'o loketse ho hack. Mokhoa oa ho etsa dodecahedron entsoe ka pampiri? Sena se tla hloka hore:
1. Paper loketse segokanyipalo. E lokela ho ba haholo a masesaane kapa teteaneng haholo - go tlhaolega 220 g, / m², e na le segokanyipalo paperboard, tse rekiswang ka dikelaka bana. Leha entsoe ka lebokoso teteaneng ka etsahala haholo ho theha lipalo tse tharo-tlhakore, o feela lokela ho pele ho thulaganyou e tsohle lemenong - snick kapa push hantle, le hore ba ba hantle le evenly ikemiselitse.
2. dikere, pentšele, sekhomaretsi, e loha ka mamao le nale kapa dibukeng thipa
Tips ho etsa dodecahedron
Pampiri ka sakeng ke ho hotle ho hanyenyane sutumelletsa ka nale, lehlakoreng le hlabang la thipa dibukeng kapa ntho e 'ngoe e bohale, empa ha seha. lemenong makhethe a bataletseng - halofo katleho.
Ha sekhomaretsi hase ka letsohong, ba dodecahedron ka bokella, e le constructor sa, etsa incision hammoho crease 'me joale feela ho ho kenyeletsa tlhaloso karolong e ka e' ngoe e 'ngoe.
Haeba u bokella ka dodecahedron ka modular mokhoa (litaelo tlase), joale e ntan'o ba manonyeletso lakatsehang prokleivat kapa lijo tse lengoang ho e lokisa, ho tloha sebopeho e ba tsitsitseng feela ka mor'a ho lokisa tsa mmojulo qetela.
Dodecahedron ka mokhoa origami
Mojulung ona origami - e motheong oa babatsehang dodecahedron ena. Mokhoa oa ho etsa dodecahedron tloha pampiri e ka mokhoa modular? 30 o tla hloka ya khutlonnetsepa kapa maqephe a lisekoere tsa pampiri. E mong le e ba limemo ho a phuthilweng ka halofo, ka nako eo e mong le e halofo ho koba ka lehlakoreng le fapaneng - e tla "accordion" ka katoloso bane. Ka linako tse ling, haeba lakane le ha se le boholo ba lisekoere, etsa "harmonica" ka tse tharo tsa phaella moo. Ka lebaka leo u na le matsohong a rolo e moqotetsane tsa promougolnaya. Eaba ka mor'a hore e mong le e-morao tsa khutlonne hammoho lehlakoreng moqotetsane tsa sebakeng koba. Likhutlong tse thehoa ka tataiso e 'ngoe - bokamoso ba fastening ho refueled ka "harmonica". Ebe koba mojulung ona e ka hare slant diagonally tloha likhutlong tsa lehlakoreng nyenyane. Kahoo, e mong mojulung ona origami dodecahedron - tse tharo tlhakore, e akarelletsa metshetshe a mabeli le likhutlong tsa setšoantšo sa nakong e tlang. Ha dimojule tsohle li loketse, u ka qala ho ea kopanong.
phutheho e qala ka noute e le 'ngoe bakeng sa eo u batlang ho e nka dimmojule tsa tse tharo. Palo tlase ke 'mala o moputsoa, pinki le bosehla origami ins. Seboka sa litšoantšo tse ka toka e bonolo, 'me ka litšoantšo tsa jwalo ka ba bonolo sebetsana le esita le novice.
Seo mesebetsi ea matsoho ka etswa ka lebaka la dodecahedron ka?
E mong le e-morao tsa dodecahedron entsoe ka pampiri - e sephara khutlotlhano, eo ka boeona e ka ba motheo oa ho tse ngata le mefuta e sa tloaelehang. Ka mohlala, ka photo photo photo photo mona ka tlase khutlotlhano nkeloa sebaka ke naleli hlano nchocho. The likhopo ka palo ena ha di a fumaneha, le hoja ho e nahana. Mokhoa oa ho etsa dodecahedron entsoe ka pampiri ka sebopeho sa naleli? Nka sebaka ka fiela ya, bontšitsoeng ka holimo, e mong le khutlotlhano hlokahala hlano nchocho palo le hokela hore ba se ke ka likhopo le ka litlhōrō ka.
Ka photo photo photo photo ena e hlahisa stellated dodecahedron. Ka pelong ea e mong le e "lehlaseli" e ntse e le khutlotlhano tšoanang.
leha e le sebopeho volumetric e ka etsoa ho ena le liphiramide pentagonal.
Ka photo photo photo photo mona ka tlase ka pentagons phetha lipotoloho origami rarahaneng ho feta, e leng ba thahasella mokhoa ona e ka fumanoa lingoliloeng.
Leha ho le joalo, tsoelo-pele ea esita le bonolo kopano sekemeng dodecahedron se fana ka menyetla e metle bakeng sa ya bokgabane le fumana dikgetho tsa bona.
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