With RayWare Clouds labeling tool you can add up to 10 characters to any file.
Once a model is uploaded to RayWare Cloud, select your file from the list on the right hand side to reveal the tool menu.
Select Label and add your annotation:
Once you have entered your annotation, click Start hover your mouse over the model to pin the annotation to the desired location:
Use the gimbal to manipulate the orientation of the annotation:
Scale will allow you to enlarge the size of your annotation:
Once you are complete with labeling the models, click Confirm Changes