Hahha.. lighting expert..actually my specialty is microwave engineering lar,one of it is wireless tranmission design...heehe unfortunately got no chance to "fat fai" ..cos now in mechanical field liow!!!

Wait..U mentioned AirCond pipe casing??Huh..PVC ka??Copper??Dun get it lar?Show some photos plez??

Anyway..anyone who wishes to DIY his own Lighting or filter or what ...Im always willing to give a hand though Im not a pro DIY!!
Cos there are always something new waiting to be discover!!ok cheers

Robby