Mozilla Firefox
As part of an ongoing partnership, created and documented the UI icon system for Firefox, an open-source web browser with 190+ million users. 700+ icons have been designed to work best in six scalable grid sizes.
“Carlotta redesigned an immense subset of icons for adidas. Helping us sharpen our guidelines in the process.”
Dado Queiroz
Experience Design Director at adidas
Automattic
Helped the Simplenote team extend the UI icon system of their cross-platform, note-taking app. The work included studying and improving existing stylistic conventions, and designing 50+ custom symbols.
adidas
Partnered with the Runtastic team to design 200+ icons and pictograms for their training app, used by 165M+ users. The work included extending the existing icon system and refining its visual language and guidelines.

The Government of Luxembourg
Helped the Visit Luxembourg team create a new brand icon system for their mobile app. A custom square grid has been used as the foundation to determine icon weight, volume, shape, and positioning across the entire icon library.