Capacitive touch sensors are entirely in the domain of DIY, requiring little more than a carefully-chosen conductive surface ...

If you've been 3D printing for a while, you might have heard of Klipper. This custom firmware improves many 3D printers, but does take some work to install.

The best 3D printers for beginners offer simple setup, flexibility, and an intuitive interface to help get users up and printing.