This article describes a update custom build for the custom firmware “Hemera SKR” based on Marlin 2.1.2 released 18th December 2022 and prepared for use with an updated custom hardware configuration comprising of the: E3D Hemera Hot-end, the BigTreeTech SKR 1.4 Turbo board, TMC2209 stepper drivers and the BLTouch v3.1. The printer frame and PSU…