This uses Perlin noise to determine the curves of the leaves while varying it by rotating the wreath and using the sine of the loopcount for the Z parameter of the perlinnoise primitive.

We use rerandom so we can ensure consistent placement of the berries, and lengths of each leaf, shade etc.

The trick here is to put tags around the graphical elements. Then once the full map is drawn, we hide a bunch of them, then randomly hide and show them.

Most of this is just about putting the turtle in the right place, using anchors and orbits. cam:... directs the camera turtle to move, and render / norender freezes the display during the creation of each frame.