Figure 1: Simple Objects simple.ps 42 false (flamingo) (45 cos 60 mul) cvx /foobar /executive cvx Figure 2: Compound Objects compound.ps 3 dict dup begin /Array-1 [5 {random} repeat] def /Array-2 {5 {random} repeat} def /Dictionary 10 dict dup begin /one 1 def /two 2 def /three 3 def /four 4 def end def end Figure 3: Classes and Instances class.ps Class: Object Instance: rootmenu Figure 4: Magic Dictionaries magic.ps Canvas: framebuffer Interests ... Process: currentprocess OperandStack DictionaryStack ... Figure 5: View Characteristics view.ps Nested structures with different point sizes, shrink factors, elements to the right and below. Figure 6: Peripheral Controlers peripheral.ps Figure 7: Class Editor: rootmenu rootmenu-class.ps Figure 8: Pseudo Scientific Visualizer: rootmenu rootmenu-psv.ps Figure 9: Pseudo Scientific Visualizer: Adventure advent-both.ps Figure 10: Pseudo Scientific Visualizer: Berkeley IMP berkeley-both.ps