Mobile, movable catapult made of wood and metal. The model's cranks and catapult arm are movable and can be tensioned with a strap Model by STL Miniatures

Wooden stakes driven diagonally into the ground. Any number of palisade pieces can be placed together to form a continuous fence.

Four-armed ballista with a large projectile, which stands behind a wooden protective wall

Wooden catapult with a large metal basket for projectiles

Simple orc carrying a heavy rock. The model comes in one piece with a textured 25mm base. Model: Artillery Loader Orc by Valandar, licensed under CC BY 3.0 .

Palisade segment made of rough, barely worked logs connected with ropes and wedged between large boulders Model: Goblin Wall by tshenry1, licensed under CC BY 3.0 .

Heap of sandbags stacked in an arch

Heap of sandbags stacked in an arch

Heap of sandbags stacked on three sides

Palisade made of sharpened wooden stakes held together roughly with ropes

Barricade made of sharpened wooden posts rammed diagonally into the ground and secured with ropes

Barricade made of sharpened wooden posts neatly connected with ropes

Three pointed wooden posts tied together with a rope

Massive dinosaur carrying a wooden platform with a large portal on its back

Simple ladder with seven rungs. Model: rpg ladder by IzMrPickel, licensed under CC BY 3.0 .

A piece of palisade made of sharpened logs driven into the ground, most of which have tipped over or are crooked. Model by StoneAxeMiniatures

Wooden catapult reinforced with rune-decorated metal pieces