| 摘要 |
<p>A device for assisting in the decoration of an aperture, the device comprising: a substantially planar main body in the form of a frame having an outer edge and an inner edge defining a central aperture, the main body having an anchoring arrangement into or around which a setting substance may flow to allow the device to be firmly embedded in the setting substance; and a flange provided on at least a part of the inner edge, the flange protruding inwardly from the inner edge and away from the plane of the main body.</p> |
