Undeservedly me ntsis xim yog them rau siv quav ciabons ua khoom siv duab. Qhov no yog vim hais tias kev kos duab nrog siv xaum xaum yog qhov kev siv zog thiab ntev ntev uas yuav tsum muaj qee qhov kev paub. Qhov no txhais tau tias kom paub pleev xim ciab siv quav ciab. Ciab thiab roj pastels zoo heev nyob rau hauv lawv lub zog thiab, yog li ntawd, xim txheej txheem. Txawm li cas los xij, nco ntsoov tias cov xaum xim ciab nyuaj nyuaj thiab tsis xav dua li cov roj pastels.
Nws yog qhov tsim nyog
Siv ntawv los yog xaum qhuav, tuab thiab du (zoo dua li coated) ntawv, rab riam rau cov xaum xim zoo nkauj. Cov txheej txheem sgraffito yuav xav tau xws li rab riam-xim, rab riam sau ntawv, riam siv rab riam, lossis tshuab rau tog kom zoo nkauj. Cov txheej txheem encaustic yuav tsum muaj hlau nrog cov pob txha khov kho. Rau cov xim iav pleev duab, koj yuav xav tau: ib daim phiaj plooj (veneers) uas tuaj yeem tiv taus cua sov los ntawm taws tswm ciab, lub tais hlau lossis ntawv ci; cua sov tswm ciab; sawv ntsug rau tso ib lub tais los yog lub tais hla tswm ciab
Cov Lus Qhia
Kauj ruam 1
Yog nqus nrog xaum xim xaum yuam kev xav kom tus kws kos duab kom paub cov hauv paus ntawm xaum kos duab. Hauv cov pastels, ib yam li xaum, muaj cov ntsiab lus ntawm kev xav thiab kev sib txawv. Cov duab thiab cov qauv ntawm cov khoom kos duab tau siv siv lub teeb, duab ntxoov ntxoo, xim gradation thiab kev qhia ntawm cov cwj nrag. Ua ntej, koj yuav tsum nkag siab tias ciab pastels yuav ua li cas hauv daim ntawv. Sim pleev xim rau ntau hom ntawv uas muaj xim zoo ib yam (Whatman, watercolor, pastel, cardboard, lossis coated ntawv). Qhov no yuav qhia koj lub tswv yim ntawm yuav ua li cas cov khoom siv roj pleev xim rau nws coj ntawm cov khoom sib txawv. Sib tov ob peb xim sib txawv los ntawm kev thov rau daim ntawv thiab txhuam lawv. Qhov no yuav qhia koj lub tswv yim ntawm cov xim sib txawv thiab cov txiaj ntsig koj tuaj yeem tau txais thaum sib tov. Cov siv quav ciab ntse nrog cov riam zoo li xaum qhuav li niaj zaus.
Kauj ruam 2
Kev kos duab nrog crayons siv quav ciab pib nrog kev kos duab, uas yog ua nrog lub ntsej muag hluav taws xob. Daim duab kos tuaj yeem ua nrog tus xaum qhuav lossis xaum ntawm cov xim tseem ceeb ntawm cov duab yav tom ntej. Tus qauv tshaj tawm qhia txog cov ntsiab lus ntawm cov khoom uas yuav qhia hauv daim duab, ntxiv rau cov phiaj xwm dawb lossis dawb. Cov kauj ruam tom ntej hauv daim duab yog txhawm rau txhawm rau kos duab nrog xim. Cov xaum xim xaum xaum, zoo li roj pleev xim, yog siv rau hauv cov duab hauv txheej, txij li tsaus ntuj mus rau qhov pom kev. Yog tias koj yuav tsum sib tov ob xim, tom qab ntawd: ua ntej, thov cov xim tsaus, tom qab ntawd lub teeb xim, ces cov xim tau sib xyaw los ntawm muab tshuaj txhuam lawv rau hauv daim ntawv nrog koj cov ntiv tes. Ua ntej koj pib sib xyaw cov suab npe hauv daim duab, sib tov rau lwm daim ntawv. Txoj kev no koj tsis tuaj yeem mus yuam kev xaiv cov tones los sib tov. Thaum koj tau kis tag nrho cov xim nyob ib ncig ntawm kos duab, raws li cov qauv npaj, koj yuav tsum txhuam lawv rau hauv daim ntawv kos duab. Co tawm ntawm cov kab nrib pleev ntawm cov xaum xim, thiab maj mam ntxiv xim raws li xav tau. Siv quav ciab yuav tsum muaj qhov chaw du, zoo nkauj, dhau ntawm qhov kev ntxhib los mos ntawm daim ntawv tsis ci ntawm. Thaum kawg, kev ua haujlwm tau zoo kawg nkaus los ntawm kev siv cov ntsiab lus zoo thiab duab ntxoo, kos cov kab kab thiab cov ntsiab lus me. Thaum ua tiav kev ua haujlwm, koj yuav tsum nco ntsoov tias los ntawm qhov tsis tas yuav tsum nias tus cwj mem av, uas yog siv los kos rau ntawm qhov hnav tom qab, koj tuaj yeem txav cov ciab uas twb dag hauv daim duab. Siv lub ntsej muag kov kom kawg thiab maj mam.
Kauj ruam 3
Kuj tseem muaj txoj hauv kev rau kev tsim cov quav ciab pastels hu ua sgraffito. Qhov no txhais tau tias "kos" hauv kev txhais lus. Rau hom no, koj yuav xav tau, ntxiv rau cov ntawv thiab ciab xaum, ib qho riam riam, lossis cov ntawv sau (cov khoom siv tes ua riam) riam, lossis cov pawg tshwj xeeb. Siv quav ciab pastel yog thov rau daim ntawv hauv ntom ntom. Lub teeb pastels ua ntej, tom qab ntawv tsaus. Tom qab ntawd ib daim duab kos yog kos rau ntawm cov nplaim nrog ib pawg (lossis lwm yam cuab yeej). Xws li ib qho kev kos duab yuav zoo li lub ntsej muag ntoo. Siv cov txheej txheem kos, koj tuaj yeem tsim ob qho xim thiab ntau xim ua haujlwm.
Kauj ruam 4
Txoj kev hauv qab no ntawm kev kos duab nrog siv xaum xaum xim yog qhov qub thiab yooj yim ua. Nws yog hu ua "iav txha hniav laus". Txhawm rau paub nws, koj yuav tsum tau nruab ib qho hlau lossis kab xeb uas muaj peev xwm tiv taus cua sov nrog tshuaj yej tswm ciab ntawm lub teeb sawv ntsug hauv qab uas taws tealight taws tswm ciab tau muab tso rau. Txawm tias cov ntawv hlau lossis cov tais diav ua tiaj tiaj uas yog npaj rau ci ua khob noom cookie yuav ua haujlwm. Ib daim ntawv xov xwm tau pw ntawm qhov chaw sov, thiab tom qab ntawv ntawv rau kos duab. Tom ntej no pib cov khawv koob ntawm kev teeb duab nrog cov crayons siv quav ciab, uas yaj ntawm lub ntsej muag sov. Cov haujlwm zoo li no yuav zoo nkaus li kom ci ntsa iab thiab nplua nuj txha hniav laus.
Kauj ruam 5
Cov txheej txheem tom ntej rau kev kos duab nrog siv quav ciabons hu ua encaustic. Txhawm rau ua qhov no, koj yuav tsum nqa cov hlau nrog tawv tawv (i.e. tsis muaj qhov rau chav) thiab teeb nws cov cua sov kom tsawg. Koj tseem yuav xav tau xaum xim ciab thiab duab los qhia tuab nrog lub ntsej muag kom zoo. Tig cov hlau, uas yog me ntsis rhuab, nrog ib tus kws kho sab saud thiab siv ib daim duab rau ntawm nws nrog cov crayons siv quav ciab. Tom qab ntawd peb ua tib zoo tig nws thiab tsav nws daim duab los qhia. Peb tau txais zoo heev paub daws teeb ciab streaks uas tuaj yeem hloov kho tom qab zoo tag nrho nrog cov ntawv zoo me me, cov ntsiab lus meej dua. Cov kws txawj ua yeeb yam tsis tuaj yeem tsuas yog "lub thwj cim" cov duab kos duab tsis paub tab, tab sis kuj tsim qhov tiag tiag los ntawm kev kos cov ntsiab lus nrog cov ntug ntawm cov hlau.
Kauj Ruam 6
Lwm txoj kev yog ntxuav cov ciab nrog turpentine lossis dawb plig. Lub teeb ciab ntawm cov ciab daj ciab tsim ib qho kev kos duab, thiab tom qab ntawd cov ciab yog ntxuav tawm nrog turpentine thiab txhuam. Hluavtaws ua yeeb yam txhuam yuav tuaj ua ke ntawm no. Koj yuav tau txais lub teeb ci ntsa iab, pob tshab, zoo li xim dej, kos duab.
