访问Octoprint官网，点击下载适用于树莓派的镜像。也可以自行安装软件配置环境，这里不做概述。
官网下载速度较慢，可自行解决或者点击此链接从百度网盘下载，提取码： ughh 。
下载的压缩文件，解压后得到一个img后缀的镜像，使用Win32DiskImager烧录至tf卡中。 点击下载 Win32DiskImager
无线配置： 打开烧写好的TF卡“boot”分区，找到“octopi-wpa-supplicant.txt”文件，使用文本编辑器打开（推荐使用notepad++进行编辑）根据自己的路由器设置填写SSID和登陆密码 。
完成后将tf卡插入树莓派中开机，默认不开启ssh，没有图形界面，用户名：pi，密码 raspberry ，设置无线的话，需要去网关中查看连接设备，记下树莓派的ip地址，有线连接登陆后会打印网络配置。
直接访问http://192.168.1.12，看不懂英文可以使用chrome自带的翻译 ，根据个人需要自行设置，最后保存即可。
将3d打印机（我使用的为ArduinoMega2560，marlin固件）连接到树莓派，不需要额外安装驱动，刷新左侧设备列表
选中设备即可，左下方上传文件
点击开始打印
Octopi支持CSI和标准USB摄像头，可以在打印过程中实时预览。
完。
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https://zhuanlan.zhihu.com/p/88286814