[header] How to assemble a diy skateboard lamp [title] Remove trucks. [step] Here, the drill will be used to create the holes needed to insert the light adapters. With the drill, insert the hole saw and align the tip at the center of the " x " where the ruler lines intersect. 
Push firmly on the board with the drill so the hole saw will not slip and drill the hole. [substeps] Repeat on the center of the " x " within the other set of truck holes.