In
this case make a circle and push down on to both sides leaving it
as shown below. This will be the shell.
.
.
Now lets make a shape in the
form of a tear drop, this will be our tortoise's head.
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.
Repeat the same shape that we made at the beginning, but this time
we are going to turn it over and we will be the tortoise's feet.
Use a darker green colour so that you can see the contrast of the
body with the legs.