Houses can be decorated with any of the following details:
Roof: Outline and pipe in with tip 6. For rounded look, outline with scallop
motion, then pipe in. For dormer, leave open area in center; pipe tip 8 dormer
roof. Pipe pull-out icicles with tip 3. Pipe ball trims with tip 6 or 8; add spirals
with tip 2. Pipe tip 6 zigzag snow on chimney. Attach nonpareils, confetti or
sprinkles as desired.