diff --git a/csharp/.envrc b/csharp/.envrc
new file mode 100644
index 0000000..3550a30
--- /dev/null
+++ b/csharp/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/csharp/.gitignore b/csharp/.gitignore
new file mode 100644
index 0000000..8165f17
--- /dev/null
+++ b/csharp/.gitignore
@@ -0,0 +1,8 @@
+.direnv
+*/bin/
+*/obj/
+out
+result
+data
+.idea
+*.duckdb
diff --git a/csharp/README.md b/csharp/README.md
new file mode 100644
index 0000000..f58d07e
--- /dev/null
+++ b/csharp/README.md
@@ -0,0 +1,8 @@
+# Bazooka-poof
+
+### Ideas
+
+* https://observablehq.com/@d3/us-airports-voronoi
+* https://d3js.org/d3-delaunay/voronoi
+
+
diff --git a/csharp/flake.lock b/csharp/flake.lock
new file mode 100644
index 0000000..6792ef4
--- /dev/null
+++ b/csharp/flake.lock
@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1766653575,
+        "narHash": "sha256-TPgxCS7+hWc4kPhzkU5dD2M5UuPhLuuaMNZ/IpwKQvI=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "3c1016e6acd16ad96053116d0d3043029c9e2649",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/csharp/flake.nix b/csharp/flake.nix
new file mode 100644
index 0000000..532f79b
--- /dev/null
+++ b/csharp/flake.nix
@@ -0,0 +1,38 @@
+{
+  description = "Pre-built CPU-only OpenCV packages for Python.  ";
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs {
+          system = system;
+          config.allowUnfree = true;
+        };
+
+        # to generate the deps.nix, first
+        # run `dotnet restore --packages out` which
+        # will put all the dependencies in the "out" directory.
+        # Second, run `nuget-to-nix out > deps.nix` to generate the
+        # deps.nix
+        project = pkgs.buildDotnetModule {
+          pname = "BazoukaPouf";
+          version = "0.1.0";
+          src = ./.;
+          nugetDeps = ./deps.nix;
+          projectFile = "BazoukaPouf/BazoukaPouf.csproj";
+          dotnetBuildFlags = [ "--no-self-contained" ];
+          dotnet-sdk = pkgs.dotnetCorePackages.sdk_10_0;
+          dotnet-runtime = pkgs.dotnetCorePackages.aspnetcore_10_0;
+        };
+
+      in {
+        packages = { project = project; };
+        devShells.default = pkgs.mkShell {
+          buildInputs = [ pkgs.dotnet-sdk_10 pkgs.nuget-to-json ];
+        };
+      });
+}