先看成品
图纸下载
http://img1.pixiaojiang.com/wallet_pattern_2018020201.pdf
http://img1.pixiaojiang.com/wallet_pattern_2018020202.pdf
http://img1.pixiaojiang.com/wallet_pattern_2018020203.pdf
http://img1.pixiaojiang.com/wallet_pattern_2018020204.pdf
Step 1: 图样和零件清单
