Are you trying to make the text , embossed , or completely hidden inside the infill?
To create solid text that is part of a model's internal structure, you can follow these methods: inroommp4
Use the to change the infill density of an overlapping text volume to 100%. If you'd like to narrow this down, please let me know: Which 3D modeling software (CAD) or slicer are you using? Are you trying to make the text ,
: In slicers like Bambu Studio or PrusaSlicer, you can add a text shape as a "Modifier". Set the wall count or infill of that specific text volume to 100% (solid) while the rest of the object uses standard infill. inroommp4