So you want to build a rig to control your 3D printer wirelessly but don’t want to spend a fortune? You may want to give this 3.5″ PiTFT OctoPrint Rig project a look. It involves turning your Raspberry Pi into an OctoPrint system to monitor it more conveniently.
For this particular project, you are going to need a Raspberry Pi 2/3, 1 x Adafruit 3.5″ PiTFT Plus Touch Display, 1 x USB WiFi dongle, a keyboard, and a SD card. No soldering is required. The instructions for this project are available here.