4ekolka is a prototype 3D printed single seat electric powered car designed made in the Czech Republic from 2016.
The 4ekolka was designed by architect Petr Chládek and was intended to be a city car that was small, inexpensive, safe, usable year-round, and for a maximum of two people. The prototype costed about CZK 300,000 in 2016 to construct and was a single seater. There is no information about any being made beyond the prototype.