better patterns

src/components/MaterialsEditor.tsx

@@ -76,7 +76,7 @@ export function MaterialsEditor({
           </div>
           <p className="helper">
             {f.pattern === 'random'
-              ? 'Varied joints for a natural look. Choose fewer cuts or a more varied arrangement below.'
+              ? 'Maximise randomness spreads out joints to avoid H shapes. Minimise cuts can repeat joint positions.'
               : 'A regular pattern with each row staggered by half a board.'}
           </p>
         </div>