这两天一位“较真”老爸的检测报告火遍了粑粑麻麻的朋友圈，这个从事16年检测工作的老爸把女儿塑料包书皮带进实验室检测，发现竟然有毒！
既然塑料书皮不安全，试试用废旧的布料和购物纸袋来包书，环保又安全~
Fabric notebook covers布书皮
工具和原料
Fabric 布
Sewing kit 针线包
Scissors 剪刀
Iron 熨斗
Ruler 尺子
Step 1 Measure the book
步骤一 测量书的尺寸
▲Measure your book's height and width of the cover (width = front width + spine width + back width). Add 3cm or 5cm to both measurements.Use them to cut out two pieces of fabric for the inner and outer cover.
量一下你的书的尺寸，每边加3-5厘米（宽=封面宽度+书脊宽度+封底宽度）。按照上述尺寸，分别剪2块布作为封面和内封。
Step 2 Two inner flap pieces
步骤二 两片内封
▲Begin with the two inner flap pieces. Sew the folds in place as the picture.
从2片内封开始，像上面的图片那样缝起来。
Step 3 Stack the four pieces
步骤三 把四片布料叠在一起
▲Start the stack by laying down one of the outer pieces, right side up. Add the side flap pieces, like the photo above, again right side up. Add the second outer piece, wrong side up. Then pin the pieces in place.
接下来把这些布料叠在一起。把其中一块封面布正面平放，然后把两块内封布料像图片那样放好，也是正面朝上。再把第二块封面放上去，正面朝下。最后把它们钉在一起。
▲Sew around the edge, making sure to leave a 8cm or 10cm opening in order to turn it right side out.
然后沿着边缘把它们缝在一起，注意要留8-10厘米的开口以便最后把正面翻出来。
Step 4 Turn right side out
步骤四 把正面翻出来
▲Turn right side out. Make sure to really get the corners adjusted. Sew the opening. Then press with an iron to smooth it out.
把正面翻出来，注意书角要弄平，把之前留下的口缝起来。最后用熨斗熨平，就好啦。
Environment-friendly book环保书皮
工具和原料
Paper bag 纸袋
Scissors 剪刀
Step 1 Cut apart the bag
步骤一 剪开纸袋
▲To start out, cut out the bottom of the bag and make a cut down the length so you have one big rectangle.
建议首先把纸袋的底部剪掉，然后沿长边剪，剪成一个长方形。
Step 2 Cover's length & height
步骤二 书皮的长宽
▲Lay the book on the paper and fold over the four edges around the inside of the front cover so that it's 3cm or 5cm away from the binding. Then cut off some extra.
把书放在纸袋上，离装订处3-5厘米，将书的四边包起来，剪下多余的部分。
Step 3 That's it!
步骤三 大功告成啦
▲Insert the book into the top part of the cover where you folded.
把书放进书皮里，顶到上端再翻折。
▲That's it! Now you have a blank cover to decorate your books. You also get a handy pocket where you can stuff syllabus or markers.
大功告成啦！你将有一大块空白，去装饰你的书。书里还有个小口袋可以放课程表或是书签.
*教程与图片来自某国外手工网站，小E独家翻译
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