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二方连续运用一个或几个单位纹样进行上下(纵式)或左右(横式)两个方向的反复排列形成带状连续形式(俗称花边)。其特点是连续、递进、回旋。设计时要注意单位纹样之间的衔接、穿插和呼应,使之形成完整的统一体。在绘制时左右两方或上下两方必须延续有机地连接。
二方连续的基本骨骼结构有:散点式、波纹式、连环式、折线式、一整二剖式、综合式、纵式等。
散点式:散点式是最基本的构成形式,运用一个单位纹样顺方向有秩序地排列成带状。单位纹样之间没有直接连接关系。散点式构成给人一种整齐、严谨、有规律的感觉,但在布局上缺少变化,显得较为平板。
波纹式:波纹式也称波浪式。是以一个或几个装饰元素组成一个单位纹样,以波状曲线为骨骼,按照一定的空间、距离、方向进行连续排列,形成规则的波浪状。波纹式有韵律和节奏感,图形起伏变幻、线条流畅、柔美舒缓、富有变化,是二方连续中较为优美的构图形式。
折线式:折线式与波纹式的起伏有一定的相似之处,但其起伏不似波纹式的以优美流畅的起伏为主,而是以棱角分明的折线为骨架。折线式即有左右绵延的效果,又有较强的力度感和上下升腾、回旋的感觉。
连环式连环式也称锁链式。以圆形、椭圆形、菱形、方形或各种多边形为骨架,按一定的空间、距离、方向作锁链状连续排列,形成规则的连环状。连环式给人一种环环相扣、息息相生、连绵不断的感觉。
一整二剖式:一整二剖式是由一个完整的装饰元素与其剖成两半的装饰元素交替排列组成。两者相互衬托,主次分明 。
综合式:综合式是综合运用两种或两种以上的骨骼排列,使画面具有较强的层次感。综合式变化丰富,有融动、静于一 身的美感效果。
纵式:纵式是沿上向下连续的二方连续,也称竖式。其纹样骨骼与横式相比只是方向有所不同,其他组织结构形式和方法基本一致。这种垂直方向的连续形式能引导视线向高处移动有使物体产生增高的错觉。
四方连续运用一个或几个装饰元素组成基本单位,在一定空间内,进行上下左右四个方向的反复排列,并可无限扩展、延续的纹样叫四方连续。在设计时要注意单位面积之间的联系和呼应,布局要讲究匀称协调。
四方连续的基本骨骼结构有:重叠式、散点式、连缀式。
重叠式:重叠工是以两种以上不同的纹样重叠在一起形成的多层次四方连续。重叠式无固定的骨骼模式,结构自由,在设计中有较大的发挥窨设计时要注意重叠在下的“底纹”与重叠在上的“浮纹”之间的主次关系。
散点式:散点式是以一个或几个装饰元素组成基本单位纹样,作分散而有规律的点状排列的四方连续。在排列上是散形的,纹样互不连续。
连缀式:连缀式是以一个或几个装饰元素组成基本单位纹样,通过几何框架的相互连接或穿插,形成连绵不断的四方连续。其特点是连续必较强,结构严谨、充实。
连缀式四方连续按其骨骼排列又可分为:菱形连缀、波纹形连缀、圆形连缀、阶梯连缀、条形连缀等。
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