Simple Siege Equipment

Ever seen a castle wall without a trebutchet or catapult on it? Maybe you've pondered what a wayfort would be without its ballistae? Perhaps you, too, have used the cranes as placeholders for these objects in fortress maps and ships you've made despite not having the options yet. We need siege equipment. As someone who runs wartime, nautical, and epic adventure games for my group regularly, these objects are a part of the scenery and the gameplay regularly enough that this has become a hassle, especially since you give me 60% of the rest of what I need for castles as it is.