ProtoSans55 by Roman Gornitsky is a free techno display font built from solid rectangular modules. Its broad letters use squared openings, abrupt corners, and stripped-back geometry, creating a severe machine-made silhouette with hints of early digital signage.
An electronics brand or game studio could use its stark futuristic shapes for logos, product packaging, and game interfaces. The recurring right angles and slot-like gaps can directly echo circuit boards, control panels, and industrial interfaces in event graphics or science-fiction merchandise.