| 摘要 |
A sconce-type lighting fixture includes a frame with an inside surface having an inwardly-facing groove with uniform cross-section, and a light-transmissive cover having peripheral tabs extending into the groove, thereby snugly holding the cover in the frame. A method of providing a sconce-type lighting fixture includes providing a convex diffusing lens having a plurality of tabs on its outer periphery, and providing a sconce having a frame with an inner perimeter channel that provides no special accommodation for receiving the tabs, where the convex diffusing lens is adapted for snap-fit of the tabs into the inner perimeter channel. A system includes a lens, and a lens frame having an inner perimeter lens channel for receiving the lens without accomodation.
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