Wall, ceiling, or recessed indoor lighting fixture. Made of anodized aluminum extrusion, 13×17 mm, manufactured in Italy, with custom lengths available on request up to 6100 mm and a cutting pitch of 59 mm. Equipped with a lenticular PMMA diffuser (available beam angles: 45° and 80°). Wired with a dedicated linear LED circuit made in Italy, with selectable power, color temperature, and color rendering index (CRI).