Triangle Ring Illusion

import turtle
turtle.Screen()
loop = 0
lines = 25 #Number of lines drawn
def create(): #Creates a new instance with the following attributes
    new = turtle.Turtle()
    new.speed = 0
    new.shape("triangle")
    new.up()
    return new
for _ in range(lines): #Core loop
    new = create() #Sets variable "new" to the created instance via "create" function
    new.right(loop*360/lines) #Calculates the distance required to rotate based on loop count and total lines
    for _ in range(10): #Sub loop to draw each line
        new.forward(15)
        new.stamp()
    loop = loop + 1