I have a Creality Ender-3 V3 SE 3D printer that is having problems. The printer’s 2nd pass layer is digging into the 1st layer. Upgraded with sonic pad, new hot end, and filament detector. Was working great until the printer was moved. Awesome project for a more experience 3D operator. Comes with a KE model for parts. Must take both. Asking $50. That’s $400 dollars of 3D printer for a measly $50.