Nowadays there is still a critically small amount of “single-line”, “single-stroke” or “central-line” fonts optimized for fab labs CNC machinery, allowing the use of letters based on a single central line. Existing CNC mill & laser typographic tools
Relief SingleLine typeface is an open-source project available for download and use following the Open Font License ( OFL). Relief SingleLine with its skeletal logic and parametric thickness can also be useful in print and web experiments. Relief SingleLine is the first single-line font running on Adobe apps (CC 2019 and above) with kerning and opentype features. Relief SingleLine provides a single-line path for a pen, laser, or milling tool to follow for an efficient and clean looking typographical rendering. Relief SingleLine is a versatile sans serif “single-line” font with open paths oriented towards CNC (Computer Numerical Control) engraving and fab labs environments.
