Might want to find another solution other than epoxy for the top, it's clearly being heated significantly by the open flame, and may offgass the chemicals listed below into whatever room you put this lamp in.
carbon monoxide, carbon dioxide, nitrogen oxides, hydrogen chloride, iron oxides, chlorine, aldehydes, acrylic monomer fumes, sulphur oxides, aromatic amines, ammonia, isocyanates, hydrogen cyanide, and, at high temperatures, trace amounts of 3,3' dichloro-benzene
First two are already produced by open flame, since you are burning fat some nitrogen oxides are can be produced as well. But I agree, heated/burning epoxy is nasty.
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carbon monoxide, carbon dioxide, nitrogen oxides, hydrogen chloride, iron oxides, chlorine, aldehydes, acrylic monomer fumes, sulphur oxides, aromatic amines, ammonia, isocyanates, hydrogen cyanide, and, at high temperatures, trace amounts of 3,3' dichloro-benzene
:(
i have to mix mine ;(
Been there, done that...
With a magnetic base, too...