With a float frame, the edge of the paintng is not covered by the lip of the frame. This is a nice look for any panel painting, but a particularly good way to frame a smaller painting as to preserve the maximum image size

panel float
Unlike the “canvas floater”, the float conversion for panel paintings can be done with almost any frame, because the frame does not have to accomodate significant depth.

Hot glue is a simple and common method of attaching a small panel painting to the wood backing of a float frame. Larger panels may be more stable if using the following method: