To answer you first question.
I'd used 11854. Since this is a dual mold part it needs to be in 2 subfiles and 11854 should be the uncolored version. For 11854p01 I'd make the flame color and the candle color 16.
I'd used 11854. Since this is a dual mold part it needs to be in 2 subfiles and 11854 should be the uncolored version. For 11854p01 I'd make the flame color and the candle color 16.