Attached are the construction drawings of the NECTAR chamber as designed and manufactured by MPIK Heidelberg in 2026. Additionally, the off-beam fixation is attached in another drawing. This is for mounting the chamber on the pre- installation frame. Finally, the STEP files of the full chamber as well as of the support frame situation are attached. The large DN200 detector drives are from VAB and called "UHV Präzisions-Lineardurchführung LD 200".