Viking boat scale model plans. here are two sets of viking long ship scale model boat plans. there were several kinds of boats similar to this in different sizes and. Amati ship model plans. amati ship model plans are faithful interpretations of the original vessel. amati ship model plans and instructions are always excellent and. Viking longships were used by scandinavian mariners for everything from commerce to exploration to warfare. with roots in the stone age, longship design reached its.