Speculum by D Keith of Ocarina is a free futuristic display font built from clean, near-monoline strokes and sharply clipped curves. Its open geometric forms resemble lettering from early computer hardware, with rounded corners replaced by firm diagonal turns.
Technology branding and science-fiction title cards both benefit from this stripped-back mechanical construction, though it can also steer sports graphics toward a similarly engineered look. The letterforms are spare enough for game interfaces and distinctive enough for electronic music artwork. Across those uses, the repeated octagonal bends can echo circuit paths, control-panel frames, and other angular graphic motifs.