Redesign modelling ribbon icons

assets/icons/model/polysolid.svg

@@ -0,0 +1,10 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32" role="img" aria-label="Polysolid">
+  <g stroke="#526B80" stroke-width="1.1" stroke-linejoin="round">
+    <path d="M4 10 9 7 17 11 24 7 28 9 17 16Z" fill="#DCE7F0"/>
+    <path d="M4 10 17 16V28L4 22Z" fill="#A9BFCE"/>
+    <path d="M17 16 28 9V21L17 28Z" fill="#718C9E"/>
+    <path d="M9 7V19L17 23V11Z" fill="#718C9E"/>
+    <path d="M17 11V23L24 19V7Z" fill="#A9BFCE"/>
+    <path d="M4 10 9 7 17 11 24 7 28 9 17 16Z" fill="#DCE7F0"/>
+  </g>
+</svg>