This is a backup of original SD card shipped with Anet E12 printer

STL + SD content available @ gDrive

tree of :
Anet_E12_SD_card_content.zip
├── E12\ Assembly\ and\ Operation\ Guide\ Video
│ ├── E10-E12\ Assembly\ and\ Operation\ Guide.mp4
│ └── Thumbs.db
├── Installation\ Instruction
│ ├── E12\ Installation\ Guide.pdf
│ ├── E12\ Operation\ instruction-160905.pdf
│ ├── Print\ Quality\ Troubleshooting\ Guide-\ E12\ Anet1.0.pdf
│ ├── Thumbs.db
│ └── ~$\ 3D\ Printer\ Installation\ Instructions-170111.docx
├── Please\ read\ the\ installation\ instruction\ carefully\ before\ use..txt
├── Print\ Model\ STL
│ ├── Baymax.stl
│ ├── Box.stl
│ ├── Brush\ barrel.stl
│ ├── E12\ Printed\ Parts
│ │ ├── Base\ for\ fixing\ guide\ rod.STL
│ │ ├── Cover\ for\ the\ top\ of\ aluminum\ profile.STL
│ │ ├── Double-threaded\ bolt\ M22.STL
│ │ ├── E12\ Fan.STL
│ │ ├── Guide\ rod-Plate\ for\ limited\ switch.STL
│ │ ├── Screw\ Nut\ M22.STL
│ │ └── Top\ bearing\ installing\ base.STL
│ ├── FU.STL
│ ├── Figure.stl
│ ├── Pyramid.stl
│ └── chess.stl
├── Software
│ ├── CH340G\ Drive
│ │ ├── CH340G_windows.zip
│ │ ├── CH341SER\ English.EXE
│ │ └── CH341SER_MAC.ZIP
│ ├── Cura\ 14.07
│ │ ├── Cura\ download\ link.txt
│ │ ├── Cura_14.07.exe
│ │ └── configuration\ file\ for\ Cura-14.07.ini
│ └── RepetierHost_1_0_5
│ ├── Repetier\ download\ link.txt
│ └── setupRepetierHost_1_0_5.exe
├── Test\ file\ GCODE
│ ├── Cylinders-300-1h-mifeng.gco
│ ├── cuboid\ 50-30-50-2h-fengbi.gco
│ └── print\ documents
│ ├── Chess\ jiang-E12-2h.gco
│ ├── Fu-E12-2.5h.gco
│ └── Hoba-E12-6H.gco
└── Tool\ List&other\ pictures
├── 3D\ Printer\ E12\ assembly\ parts\ list1.0.pdf
└── Thumbs.db

If you find it useful you can send tip or buy me a coffe. Thanks.