About this 3D model

These are some objects i created 15 years ago while i was in college getting my ME degree. They are a form a math art based on the 3 fold and 2 fold symetrical axis of cubes. there are 4 objects in this package. One is made of 4 cubes, one of 5 cubes, ones of 6 cubes, and one of 7 cubes. support is just needed at the bottom to 3d print these when correctly orientated. so set support to build plate only