Warning, /education/kturtle/scripts/quadrat.turtle is written in an unsupported language. File is not indexed.

 kturtle-script-v1.0
 @(learn) quadrat{
   @(repeat) 4 {
     @(forward) 40
     @(turnleft) 90
   }
   @(turnleft) 90
 }
 
 @(reset)
 @(repeat) 4 {
   quadrat
 }