The IHP SG13G2 layout rules and process spec documents are released, see https://github.com/IHP-GmbH/IHP-Open-PDK/blob/main/ihp-sg13g2/libs.doc/doc/SG13G2_os_layout_rules.pdf and https://github.com/IHP-GmbH/IHP-Open-PDK/blob/main/ihp-sg13g2/libs.doc/doc/SG13G2_os_process_spec.pdf. #ihp-sg13g2