Add text at centre, Edit it to read XII.
Move in Z to 12 o’clock position.
Set 3D cursor, select text, key SHIFT+D R 30 Return (duplicate and rotate).
Edit new text to be I
Repeat for other numbers.
Set Materials.
Set camera to Orthographic and align to view.
Add background plane behind texts.
Render to .png
Use .png as texture image.