the thickness of the plate you would like drawn.  The default of 1.5 (mm) will be used unless you specify a different value.
                    </div>
                    <div class="error-msg"></div>
                  </li>
                  <li>
                    <span class="label">Kerf</span>
                    <label for="kerf-toggle">
                    <input id="kerf-toggle" type="checkbox" name="kerf-toggle" checked="checked" />
                    <span>Kerf</span></label>
                   