chassis 3D expected to be complete on Dec 28th.boiler design and tender design done by Vietnam colleaues are not satisfactory. They need to make proper revisions per the comments. Design complete date slide to Jan 4th. 3D for the complete model will be complete on Jan 12; 2D and tree lists will be complete on Jan 14. 3D printed files will be ready on Jan 14th because of the bad design of boiler and tender.