Annulus</span>
<span class="n">a</span> <span class="o">=</span> <span class="n">Annulus</span><span class="p">(</span><span class="n">N</span><span class="o">=</span><span class="n">numPts</span><span class="p">,</span><span class="n">seed</span> <span class="o">=</span> <span class="n">seed</span><span class="p">)</span>

<span class="c1"># Generate Sphere</span>
<span class="n">s</span> <span class="o">=</span> <span class="n">Sphere</span><span class="p">(</span><span class="n">N</span> <span class="o">