最终效果
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教程所需素材及源文件：（点击下方绿色箭头即可下载）
[flash=500,400]http://s1.knowsky.com/20131005/10is5h5b0kr461835848.jpg[/flash]
具体步骤
第一步，创建背景
新建1100×1500像素的photoshop文件，添加一个渐变填充调整层（点击图层面板底部的调整图层，选择渐变即可）
[flash=500,400]http://s1.knowsky.com/20131005/xgkpfbe52uf461835948.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/uja2w3uenpf461836048.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/r0zownn5kkq461836148.jpg[/flash]
置入星空背景素材，调整至文档大小，并“图像>调整>去色”
[flash=500,400]http://s1.knowsky.com/20131005/e4gd2tzvlgu471836248.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/gaibrdkjmqh471836348.jpg[/flash]
执行“图像>调整>亮度对比度”，对比度修改为70
[flash=500,400]http://s1.knowsky.com/20131005/4oc0hry3kvl471836448.jpg[/flash]
执行“图像>调整>反相”，并设置混合模式为正片叠底，不透明度为70%
[flash=500,400]http://s1.knowsky.com/20131005/dmw2hciedfx471836548.jpg[/flash]
第二步，创建三角形
[flash=500,400]http://s1.knowsky.com/20131005/hhst4tw2yz5481836648.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/woob4diisov481836748.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/jttqfjkefmb481836848.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/ppdxydarrk5481836948.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/fjlp2pvltlf491837048.jpg[/flash]
第三步，合成照片（这部分主要是抠图，就不做详细说明了）
[flash=500,400]http://s1.knowsky.com/20131005/acvql25ooqm491837148.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/ezcj1434vgo491837248.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/vnptv0fieuy491837348.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/d1vvzjopo0i491837448.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/cu1i02wjgcf491837548.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/r5nbwhihjr4501837648.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/thamwtkeqyt501837748.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/rugyffbl2qe501837848.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/yqs2vqdtqb0501837948.jpg[/flash]
第四步，创建3D立体电影效果
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[flash=500,400]http://s1.knowsky.com/20131005/dznqcg3op02501838148.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/lda1hqvx5ie511838248.jpg[/flash]
第五步，添加图层蒙版
[flash=500,400]http://s1.knowsky.com/20131005/jlkxy33tf5c511838348.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/sdrvy4yd2ps511838448.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/boedxqv1vnc511838548.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/v3a4qldxtnp511838648.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/kvboj4cscor511838748.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/erdszgsdtat521838848.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/vthlkecnf43521838948.jpg[/flash]
第六步，添加更多元素
[flash=500,400]http://s1.knowsky.com/20131005/ijdl11d3xve521839048.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/yvka3m33swy521839148.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/jih1lbn1fps531839248.jpg[/flash]
第七步，添加骨架
[flash=500,400]http://s1.knowsky.com/20131005/k5wlhccyuhx531839348.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/dt2sinacewk531839448.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/siuiekvyt3s531839548.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/qfqfoz5dazk541839648.jpg[/flash]
绘制一些白色斜虚线效果
[flash=500,400]http://s1.knowsky.com/20131005/n45gmhdzjuv541839748.jpg[/flash]
[flash=500,400]http://s1.knowsky.com/20131005/guszeqwsqb1541839848.jpg[/flash]
好了，至此这幅时尚3D海报效果就制作完成了！当然照片什么的也可以换成自己的或者别人的，图形元素也可以调整变换，看个人发挥了！
关键是学到其中的合成方法！最后我觉着再排上一些时尚感强的文字，这幅海报就更完整了，期待大家的作品！
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