Drag TTF fonts from your computer onto the textboxes or font controls.
Your browser appears to be incompatible with variable fonts.
To get started with variable fonts on a Mac, please read the quick-start guide:
• How to get variable fonts working in Safari, Chrome and Firefox (MacOS)
For a more detailed review of browser capabilities on various platorms, please read:
• The variable state of the browsers, early 2017
To see how Axis-Praxis works, you can watch this 5-minute video:
• Axis-Praxis: an introduction