You can do this with RawImage just fine.

• In your Project folder, select the texture that you want to tile.

  • In its Inspector import settings, set its Texture Type to Default.

  • Set its Wrap Mode to Repeat.

• Then select your RawImage.

  • Set its UV Rect W and H parameters to the number of tile repeats you want, horizontally and vertically.

You can do this with RawImage just fine.

• In your Project folder, select the texture that you want to tile.

  • Set its Wrap Mode to Repeat.

• Then select your RawImage.

  • Set its UV Rect W and H parameters to the number of tile repeats you want, horizontally and vertically.