Perfocard 4F Bold by Sergiy S. Tkachenko of 4th February is a free pixel font built from card-like grids. Its squared capitals use repeated horizontal breaks and clipped corners, giving the lettering the look of data encoded on early computer media.
A retro technology poster is its most convincing setting, with the patterned strokes turning each title into part lettering and part machine diagram. The same punched-grid construction suits game interfaces, electronic music artwork, and science museum graphics, linking all three through a reference to mechanical data processing.