Dear forumers. Appreciate your advice. I am in the midst of my Reno and I believe my problem is not new to most ppl here. Will you be able to share your experience of the offset distance between the edge of your ceiling fan blade and the edge of the cove lighting so as not to create a shadow cast when the cove light is switch on. Consider the L box cove is 9 inch depth and fan support is those typical HDB one, not those long industrial type. Thanks in advance.