Initial import of 1407 block sources under blocks/

Co-authored-by: Cursor <cursoragent@cursor.com>

blocks/background-pattern3.tsx

@@ -0,0 +1,24 @@
+import { PatternPlaceholder } from "@/components/shadcnblocks/pattern-placeholder";
+import { cn } from "@/lib/utils";
+
+interface BackgroundPattern3Props {
+  className?: string;
+}
+
+const BackgroundPattern3 = ({ className }: BackgroundPattern3Props) => {
+  return (
+    <section
+      className={cn(
+        "relative flex min-h-screen w-full items-center justify-center",
+        className,
+      )}
+    >
+      {/* Background Pattern */}
+      {/* Basic Grid Background */}
+      <div className="absolute inset-0 z-0 bg-[linear-gradient(to_right,_var(--muted)_1px,_transparent_1px),linear-gradient(to_bottom,_var(--muted)_1px,_transparent_1px)] bg-[length:40px_40px]" />
+      <PatternPlaceholder />
+    </section>
+  );
+};
+
+export { BackgroundPattern3 };