MORFEO Main Structure general overview: mechanical design update from PDR towards the final design phase

MORFEO (Multi-conjugate adaptive Optics Relay For ELT Observations, known as MAORY), is the Multiconjugate Adaptive Optics (MCAO) relay for the Extremely Large Telescope (ELT) that will provide diffraction-limited optical quality to two instruments at the ELT Nasmyth Platform. MORFEO has officially passed the Preliminary Design Review in February 2023 and it is entering the final design phase. The general overview of the mechanical design for the MAIN STRUCTURE described in this paper is an updated version of the configuration presented for the Preliminary Design Review in the first half of 2021.