OMD offers combined casement and fixed window systems, integrating opening casement windows with fixed glass panels for versatile design. The casement windows provide ventilation, while the fixed panels offer unobstructed views and structural support. Both components use the same aluminium profiles for a unified appearance, with thermal break technology and Low-E glass for energy efficiency. These systems are suitable for residential and commercial projects, allowing architects to mix functionality and aesthetics while meeting regional energy codes.