Cov txheej txheem ntawm kev teeb tsa duab nrog xaum yog lub hauv paus ntawm tus kws ua haujlwm, vim tias nyob rau theem no cov txheej txheem ntawm cov duab yav tom ntej tau muab tso, ntawm cov xim thiab duab ntxoo yuav muab tso rau yav tom ntej.
Nws yog qhov tsim nyog
xaum, lwv, mem hluav yog ntse ntawv, ntawv sau, chaw ua haujlwm, teeb pom kev zoo
Cov Lus Qhia
Kauj ruam 1
Ua ntej, koj yuav tsum xaiv lub kaum sab xis saib, uas yog, los ntawm sab twg tus pob txha taub hau yuav piav qhia rau ntawm daim ntawv. Lub kaum sab xis saib yog xaiv ntawm koj tus kheej kev txiav txim siab.
Kauj ruam 2
Tom qab qhov kev xaiv tau xaiv nyob rau sab twg lub pob txha taub hau yuav raug piav qhia, cov ntsiab lus dav dav ntawm pob txha taub hau tau sau tseg nrog tus xaum ntawm daim ntawv. Cov ntsiab lus tau thov nrog lub teeb taw kom tom qab ntawd lawv tuaj yeem yooj yim kho thiab hloov.
Kauj ruam 3
Ua ntej, lub axis ntawm symmetry ntawm lub ntsej muag yog kos nyob rau hauv daim ntawv ntawm kab ntsug. Tom qab ntawd ntawm nws tau sau tseg, sib phim hauv qhov siab, thaj chaw ntawm lub qhov muag, lub qhov ntswg thiab qhov ncauj, tseem nyob hauv daim ntawv kab, tab sis twb yog kab rov tav.
Kauj ruam 4
Tom qab cov aav ntawm lub qhov muag, qhov ncauj, qhov ntswg tau raug teev tseg, cov contours ntawm pob txha taub hau tau teev tseg. Nyob rau theem no, nws yog qhov tsim nyog yuav tsum tau them sai sai rau kev tshem tawm ntawm qhov contour ntawm pob txha taub hau uas hais txog cov khoom ntawm lub ntsej muag. Yog tias koj ua lub npoo ze dhau lossis dhau deb ntawm cov khoom, koj tau txais lub pob txha ntsej muag uas tsis to taub. Yog li ntawd, qhov kev ncua deb ntawm npoo ntawm qhov contour mus rau cov khoom kuj tuaj yeem ua cim nrog lub teeb tsa, ua raws li tus qauv.
Kauj ruam 5
Cov kauj ruam tom ntej yog los thov cov schematic contours ntawm lub qhov muag, qhov ntswg, qhov ncauj thaj tsam. Nyob rau theem no, kev nthuav dav ntawm feem tsis tas yuav yog, yog li lawv tuaj yeem ua kom pom schematically - nyob rau hauv daim ntawv ntawm cov duab plaub.
Kauj Ruam 6
Tom qab kos duab ntawm qhov nkhaus ntawm pob txha taub hau thiab cov khoom ntawm lub ntsej muag tau ua tiav, koj tuaj yeem txuas mus rau nws qhov kev nthuav dav. Nyob rau theem no, nws yog qhov zoo dua los pib los ntawm kev qhia txog lub ntsej muag cov khoom, thiab tom qab ntawd nthuav tawm ntawm lub pob txha taub hau, kom tom qab ntawd koj tuaj yeem hloov cov qauv ntawm pob txha taub hais txog qhov sib txuas nrog cov khoom ntsej muag.
Kauj Ruam 7
Qhov kev nthuav dav yog nqa los ntawm kev kos cov contours ntawm lub qhov muag, lub qhov ntswg thiab qhov ncauj ze ntawm tus qauv; nyob rau theem no, cov ntsiab lus tiav raug kho nrog ib lwv thiab xaum qhuav kom txog thaum zoo txaus siab tau txais. Qhov kev nthuav dav ntawm lub taub ntswg thiab lub qhov ncauj kuj tshwm sim. Txij li lub qhov ncauj muaj ntau ntu - lub qaum thiab lub puab tsaig sab saud, theem ntawm kev kos lub qhov ncauj kuj tseem tuaj yeem faib ua ob theem - thawj, nthuav dav lub puab tsaig sab sauv, thiab tom qab ntawd qis dua.
Kauj ruam 8
Sai li qhov kev ua haujlwm nrog cov khoom ntawm lub ntsej muag tau ua tiav, peb npaj mus nthuav dav qhov contour ntawm pob txha taub hau. Nyob rau theem no, qhov curvature ntawm pob txha taub hau yog kho tau, suav txog qhov kev ncua deb rau cov khoom npaj tau tsim ntawm lub ntsej muag.
Kauj Ruam 9
Tom qab ua tiav kev nthuav dav ntawm cov khoom ntawm lub ntsej muag thiab qhov contour ntawm pob txha taub hau, koj tuaj yeem txuas mus rau txheej txheej ntawm cov duab ntxoo. Cov duab ntxoov ntxoo xav tau nyob rau hauv thiaj li yuav piav qhia txog lub ntsej muag volumetric cov ntsej muag thiab pob txha taub hau nws tus kheej.
Kauj ruam 10
Cov duab ntxoov ntxoo yog thov raws li kab nyob ib puag ncig cov khoom ntawm lub ntsej muag thiab ntawm kev nkhaus ntawm pob txha taub hau los txhim kho kev tsaus ntuj hauv cov chaw ntawd. Cov duab ntxoov ntxoo siv nrog xaum nrog lub teeb nrawm, tab sis kev sib zog. Yog tias qhov ntxoov ntxoo hnyav dhau lawm, koj tuaj yeem yuav plooj lawv me ntsis nrog lub lwv txhuam, lwv cov ntsiab lus hnyav ntawm cov duab ntxoov ntxoo, thiab pleev xim lawv softer.
Kauj ruam 11
Tom qab ua haujlwm ntawm pob txha taub hau tiav, koj tuaj yeem hloov mus rau tom qab yog tsim nyog.
