Nov 1, 2016 - explore tracy w. brock's board "wooden letter ideas!!", followed by 235 people on pinterest. see more ideas about wooden letters, wooden letters decorated, wooden.. It would help if you also prepared yourself before you begin carving letters from a block of wood using a plunge router. selecting the appropriate router size: not all routers will fit into your required size for letter routing. so, decide how large or small your carved letters would be and select your router’s edge size according to you..