Plant 3D models 13,290 plant 3D models available for download contain flora organisms that grow as domestic plants and in the nature, such as flowers, trees, grass, creepers, greenery, herbs, perennials, seedlings, shoots, shrubs, slips, sprouts, vines, weed. Students are typically asked to create a 3D model that includes all of a cell's organelles using either household or edible materials. This hands-on science project is often assigned in middle and high school biology classes.