3D modeling 101 For interventions that would benefit from being constructed as a model before being placed on a site such as a parklet, build a 3D model using materials such as the ones listed below. pipe cleaners cellophane modeling clay modeling wire cardboard found objects construction paper toothpicks objects found in nature Want to make a digital model? Try out these modeling softwares:Google Sketchup TINKERCADLEOCAD (LEGO BUILDING)3D SLASH (LOOKS LIKE MINECRAFT)