; square_off.sfa - Thomas G. Ferguson, Abrams Planetarium, March 2002
; This file erases the artwork for SQUARE.

0:00 buttons 7,2 play ./square_on
     buttons 7,2 label 'SQUARE   On'
     declare global SQUARE
     adjust SQUARE brightness 0 /until +2
0:02 erase stellar SQUARE
     end