Cov iav tsom iav ua qhov tshwj xeeb thiab zoo nkauj tswm ciab tuav. Lawv tuaj yeem hloov kho tau txawm tias ntxiv los ntawm kev ntxiv ib daim ntawv "teeb taws". Nov yog qhov koj tuaj yeem ua rau koj tus kheej tshwj xeeb iav iav teeb.
Cov kauj ruam
Ntu 1 ntawm 2: Tsim Tus Duab Ntxoo
Kauj Ruam 1. Ntsuas qhov nrug ntawm koj lub khob iav qhib ntawm nws qhov dav tshaj plaws (piv txwv li
txoj kab uas hla) nrog lub compass.
Kauj Ruam 2. Ntxiv 3/4 ntawm ib nti (19.05mm) rau txoj kab uas hla
Qhov no yuav yog koj thawj arc.
Kauj Ruam 3. Kos daim ntawv ntev ntawm daim ntawv ntawm ib daim ntawv ntawm qhov taw tes kwv yees li 1/3 ntawm nws qhov ntev
Daim ntawv raug cai ua haujlwm zoo tshaj plaws, tab sis koj tuaj yeem tau txais daim ntawv 8.5 x 11 (21.5 x 28cm) yog tias koj ceev faj.
Kauj Ruam 4. Muab tus protractor raws ntug ntawm daim ntawv nrog nws qhov chaw nruab nrab ntawm tus cim uas tau ua hauv cov kauj ruam dhau los
Kauj Ruam 5. Kos lub kaum sab xis 110 degree
Lub kaum sab xis nws nyob deb ntawm ntu ntev mus rau qhov luv dua, 1/3 ntug ntawm daim ntawv, tsim lub kaum obtuse.
Kauj Ruam 6. Kab ib kab hla ob lub ntsiab lus
Ntev nws mus rau qhov ntug ntawm daim ntawv.
Kauj Ruam 7. Kos kab dashed 1/4 rau 1/2 ib nti (6.35mm txog 1.27cm) dhau ntawm thawj kab
Qhov no yuav yog "nrov plig plawg" lossis "di ncauj" siv rau kev kaw lossis gluing cov npoo ntawm koj qhov ntxoov ntxoo ua ke.
Kauj Ruam 8. Siv koj lub ntsuas ntsuas nrog ntsuas los ntawm lub iav qhib kom kos ib qho arc los ntawm qhov chaw nruab nrab ntawm koj lub kaum ntawm daim ntawv
Kauj Ruam 9. Txiav txim siab qhov siab uas koj xav kom lub teeb ci
Qhib lub ntsuas hluav taws xob mus rau qhov ntsuas qhov siab thiab kos qhov thib ob arc, siv tib lub hauv paus ntsiab lus. Qhov kev ncua deb ntawm ob daim duab yuav yog qhov siab ntawm koj qhov ntxoov ntxoo.
Ntu 2 ntawm 2: Haum Tus Duab Ntxoo
Kauj Ruam 1. Txiav raws kab uas koj tau ua
Txiav ob daim duab, thiab tom qab ntawd txiav sab nraud ntawm "nrov plig plawg".
Kauj Ruam 2. Kab ntawv rau kab ob kab ncaj ncaj
Sib tshooj lawv me ntsis ua ntej txuas nrog kab xev lossis kua nplaum.
Kauj Ruam 3. Teem qhov ntxoov ntxoo saum lub khob qhib nrog lub qhov dav dav los ntsuas qhov haum
Hauv qhov no, koj tuaj yeem kho qhov ntxoov ntxoo raws li koj xav tau:
- Siv lub qhov xaum xaum kom tso ncaj lub teeb los ntawm.
- Kos cov qauv ntawm nws.
- Scallop cov npoo.
- Muab cov ntawv nplaum tso rau nws.
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Koj lub tswv yim yog qhov txwv qhov txwv nkaus xwb!
Duab luv
