If you need a bold, modular, geometric font for free, use these fonts (no patching required):

is a premium industrial display typeface designed by Alfredo Marco Pradil and published through Hanken Design Co. . While users often search for "patched" or "free" versions, this font is a commercial product and is not officially available for free download. Typeface Overview

: The typeface supports over 40 languages and contains 441 glyphs per weight, including currency signs, fractions, and OpenType variants Hanken Design Co. Legal Alternatives

If you have a specific modular font file (e.g., a custom font named HK-Modular.otf ), you can patch it for free using the :