Most of the statics mesh assets are welly optimize independent mesh assets but not various meshes combine. Example like bed, sofa all in one mesh.
Welly optimize lightmaps, UVW and polygon count. Whole Project less than 200mb.
Interactive functional blueprints include mini map, sofa, bed, dinning chair, deco plant, door, sliding door, ceiling fans, Tab water, bidet, 2 type of shower head, hanging Lamp, pendant light and with sound effect.