What technique did renaissance painters use to create light-dark gradations that form the illusion of objects in space?

Hands-on activity: model of a community there are many issues, such as new neighborhoods, infrastructure improvements, and transportation issues that a planner must contend with, especially as populations increase and commuting becomes necessary. explore the occupation of a planner and then consider what an ideal community would look like. evaluate how to arrange all of the necessary aspects of life—home, work, school, shopping, entertainment, etc.—and create a model of that community. select one of the following methods to submit your assignment: make a 3-d model using found objects and other craft items. take a picture and upload the assignment. create a drawing of the ideal community, labeling all of the objects, and then take a picture and upload the assignment. use a computer program such as microsoft word to generate a model community and then attach the file. be sure to label the objects.