If you install a new font on your device, you don't have to restart PrusaSlicer to be able to use it, simply close and open the text tool again and PrusaSlicer will load the newly added fonts. Any TrueType Font (TTF) should work correctly. The text tool automatically import's the font library on your device. You also have the option to rotate the text along the Z-axis (Z-rot) and elevate it along the Z-axis (Z-move). When you're dragging the text object on the model, a white marker will appear, highlighting the position at which the surface normal is calculated. You can manipulate the text by dragging it around the object and placing it in the desired position. This will create a standalone object not connected to other objects in the project. Right-click the platter and select Add shape - Text. Alternatively, you can right-click on the model and select Add part - Text, from the context menu. Select the target model and press the T key. The text entities are fully editable even after re-opening a saved project file. You can add text to any type of surface, not just planar faces, but even to curved surfaces. The Text tool lets you easily add labels, notes, signs, serial or version numbers to your models directly in PrusaSlicer.