OctoPrint

Eight Arms to Print With
Setup Guide to OctoPrint on the Raspberry Pi 2

Did you know you can manage your 3D printer over LAN? It's easy to with OctoPrint and a Raspberry Pi 2. Learn how to set up Octoprint.
Hook Me Up
Microsoft Plus Raspberry Pi Equals Network 3D Printer

The New Network 3D Printer app from Microsoft can upgrade your 3D printer with wireless connectivity using a Raspberry Pi.
Printer Support
OctoPrint Creator sets up Patreon to Continue Development

The creator of the Octoprint web interface for 3D printing requests support via Patreon to continue development of open source software.