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第三集-水彩紙(下)
上次提到英國山度士Waterford,其實每款水彩紙都有它的紋理和紙質,如果喜歡畫畫又能夠負擔到的同學不妨試多幾款,試驗那款較適合你用。
去到買水彩紙的時候,眼花撩亂怎麽辦呢?😅每本都包裝著不能打開,其實摸到紙質也沒有用啊!我們只需要看紙本上的封面,除了印有品牌名稱外,還有其他資料。
例如數量,一般每本有10張,12張或20張,第二.就是尺寸有好多種,就要按照個人需要,想畫幾大張,如果想畫細細張都可以買大本的自己切開,計算了是比較經濟, 不想自己裁或可買 Postcard Size,第三.材料有些是100% Cotton, 有些是100% Cellulose, 25% Cotton,這都是水彩紙的材料,木漿、棉漿、棉木混合或其他纖維,去到第四.紋理Hot press熱壓幼紋,最常見就是Cold press冷壓中紋,Rough粗紋,三種不同紋理,某些牌子沒有粗紋或者細紋。我們一般都用中紋,如果想畫較細緻會選用幼紋,風景畫用粗紋比較好。
克數:190g/m²-638g/m² 紙的重量/厚度,落水畫最好買300克,太薄而你又落水畫好多層,紙張會抵受不了,差一點的紙會起毛粒,濕潤時小小彎曲是正常的,同學會誤以為霉了,畫之前可以把水彩紙四邊5-10mm用皺紋膠紙貼在畫板上。
大多數的水彩紙拆開包裝都是四邊封膠保護,用的時候才𠝹開一張,木漿紙顏色比較白和光滑。畫起來有幾個明顯的特點:吸水性弱少少,即是畫上去之後水會停留在紙面上一陣間,不會即時吸入去紙裡面,這個特點能在木漿紙上製作水彩的特殊效果,如濕畫法混色、水漬特效、還有水彩獨有的水痕,有些人不喜歡水痕水漬,但其實都幾靚,其他顏料是無法做到的,如果好好運用也能做出特別的畫面。

圖下左:乾得很慢,大約5-10分鐘後,表面開始無反光

木漿擦洗得比較乾淨,水在紙面浮來浮去乾得慢,亦因為這個特性有機會留底水痕,而棉漿就好均勻。什麼是擦洗,有時畫錯了鉛筆就會用擦膠=水彩就會用水洗,洗得乾淨是優點還是缺點🤣 還有過度深色,乾了也可以抹淺 (畫的時間和乾後是不同色)

總結木漿紙因為光滑帶給它的特點是容易擦洗,我覺得初學是好處,壞處就是上色困難不均勻,而乾後可以洗同學當然開心,就是這樣導致上色不勻,例如你畫好某個位置想在附近加色,隨時會令之前畫的一層脫色,懂得用水彩筆會好一點,同學有時會過度用力🤨(初嘗試都幾難控制,但又覺得幾靚,這個就是透明水彩吸引的地方)如果用這紙,通常都是畫重疊法。
木漿紙價格比棉漿紙便宜,Canson一般都是入門用,零經驗朋友,對新手來說乾後都可以洗擦是開心的。我的毛孩水彩工作坊同學經常都要修改,所以堂上就用木漿紙吧😜
效果:以相同顏色混色在三款水彩紙上,水漬特效、水彩特有的水痕

山度士系列裡的Bockingford也是木漿。另外Fabiano系列裡有混合,也有全棉。木漿雖然易洗擦,不可洗得太多次啊,一兩次好了。棉紙就要在未乾之前洗擦,乾了就洗不掉,這又是它的好處,乾後在上面加色都不會令之前一層脫色,而且顏色好均勻。大家都會覺得好其怪,尤其未學過水彩的朋友,為什麼成日搞錯成日要洗成日擦呢?😂是呀初學嘛,有時深色的地方要減淺又或者想做漸變,又有時弄污糟都要用到,顏料水多時要吸走等,都會重複在同一位置翻來覆去,至於怎樣做在毛孩水彩堂會教的💪🏻
山度士嘅Waterford就是棉紙,好適合畫渲染同濕色法,基本上落色落水嘅時候,你已經感覺得到與木漿紙有很大分別,可看著水份和顏料均勻地滲進紙張,如果想要水漬又不會有Canson的效果。
*所以有些水彩紙需要加鹽,才可做到水漬水痕這個特別效果。

木漿通常適合較寫意的水彩畫,表現出淡淡又清新的。
我們早期的生果及寵物系列風格就是用木漿的CANSON
之前提及過花之戀,羽夜及極光星空是用棉紙Waterford,去到進階花之戀2,寵物花園,有食誘畫,我們又轉了用Arches 之前都不捨得買,價錢比山度士昂貴,都要用點真的好靚,吸水力很好,而且顏色出來深少少鮮艷度較高👍🏻

棉漿紙看起來比較黃或者米色,特徵主要是:吸水超正👍 所以顏色不那麼容易在紙面上流來流去,濕畫混色極佳非常均勻,容易控制顏色的位置,很漂亮。因為水分被迅速吸掉了,所以不容易留下水痕。特別適合畫多層,畫上層時一般不會把乾了的下層帶走。棉漿能把顏料吸進去,木漿的有機會讓顏料顆粒浮在紙面上。
既然棉漿的會吸顏料,所以畫上去乾後就不那麼容易再洗掉了,這個對新手是個缺點😭 水彩其實是不可修改的,需要預先計劃好。
棉漿紙的價錢通常比較昂貴,一定要用棉漿紙嗎?
這個是不一定。最低限度試多幾款,才知道什麼是最適合自己的作品😍
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