经典皮革公文包，带手风琴侧围作者：Andersen leather在这个教学中，将详细向您展示如何使用手风琴角撑板制作公文包。制作过程拍了几百张照片，这里只展示一下成品，更多图片查看原文。

图纸下载Briefcase overviewhttp://img1.pixiaojiang.com/FG6EU6YIFO6YRCN.pdfBriefcase cutting layouthttp://img1.pixiaojiang.com/FRWPYPBIFO6YRCK.pdfGussethttp://img1.pixiaojiang.com/F6AESDBIFO6YRD0.pdfback piecehttp://img1.pixiaojiang.com/FLDF834IFO6YRCB.pdfFronthttp://img1.pixiaojiang.com/FT07RRUIFO6YRCZ.pdfhandle coverhttp://img1.pixiaojiang.com/FFJF2UYIFO6YRD7.pdfFillerhttp://img1.pixiaojiang.com/F8SFMXEIFO6YRCS.pdfpartition boardhttp://img1.pixiaojiang.com/FFD9NL6IFO6YRDC.pdfpockethttp://img1.pixiaojiang.com/FKTO5KBIFO6YRDJ.pdfShoulder padhttp://img1.pixiaojiang.com/FA2LNMSIFO6YRDM.pdfStrap holderhttp://img1.pixiaojiang.com/F52W8SPIFO6YRE2.pdfStrapshttp://img1.pixiaojiang.com/FCQ22K0IFO6YRE7.pdfTop straphttp://img1.pixiaojiang.com/FJRDEQTIFO6YREA.pdf制作过程参照原文（英文）https://www.instructables.com/id/Classic-leather-briefcase-with-accordion-gusset/Step 1: Tools and MaterialsStep 2: PatternStep 3: Dyeing and ConditioningStep 4: GussetStep 5: Partition BoardStep 6: Sewing Partition Board to GussetStep 7: StrapsStep 8: Sewing the StrapsStep 9: Top StrapsStep 10: HandleStep 11: Front PieceStep 12: Strap HolderStep 13: Sewing on the Strap HoldersStep 14: Sewing the Front Piece to the GussetStep 15: Back PieceStep 16: Sewing on the Top Strap and the Metal Bar CoverStep 17: Sewing the Back Piece to GussetStep 18: Shoulder PadStep 19: Adding Custom StampStep 20: SewingStep 21: BurnishStep 22: Concluding Thoughts

公文包