diff --git a/crude/.gitignore b/crude/.gitignore
index 726d2d6..c0e0d42 100644
--- a/crude/.gitignore
+++ b/crude/.gitignore
@@ -1,2 +1,3 @@
 result
 .direnv
+.pdf
diff --git a/crude/flake.nix b/crude/flake.nix
index ee317bd..d8777f0 100644
--- a/crude/flake.nix
+++ b/crude/flake.nix
@@ -16,13 +16,41 @@
         pkgs = import nixpkgs { inherit system; };
       in
       {
+
         packages = {
-          default = throw "put derivation information here";
+          default = pkgs.stdenvNoCC.mkDerivation {
+            pname = "test";
+            version = "0.1";
+            src = ./src;
+            nativeBuildInputs = with pkgs; [
+              tinymist
+              typst
+              fira
+              orbitron
+            ];
+
+            buildPhase = ''
+              typst compile main.typ \
+              --font-path="${pkgs.orbitron}/share/fonts:${pkgs.fira}/share/fonts" \
+              --input nixPath=$out \
+              --input author=Bob \
+              --input title=fiets \
+              "''${pname}.pdf"
+            '';
+
+            installPhase = ''
+              mkdir -p $out
+              cp *.pdf $out/
+            '';
+          };
         };
 
         devShells.default = pkgs.mkShell {
           buildInputs = with pkgs; [
-            (throw "put packages here")
+            tinymist
+            typst
+            fira
+            orbitron
           ];
         };
 
diff --git a/crude/src/main.typ b/crude/src/main.typ
new file mode 100644
index 0000000..5c2f93b
--- /dev/null
+++ b/crude/src/main.typ
@@ -0,0 +1,3 @@
+#import "template.typ": crude
+
+#show: crude
diff --git a/crude/template.typ b/crude/src/template.typ
similarity index 97%
rename from crude/template.typ
rename to crude/src/template.typ
index 20ee568..b422fe8 100644
--- a/crude/template.typ
+++ b/crude/src/template.typ
@@ -11,8 +11,6 @@
   },
   sigil: if sys.inputs.keys().contains("sigil") {
     sys.inputs.sigil
-  } else {
-    "sigil.svg"
   },
   font: (
     text: {
@@ -140,9 +138,11 @@
   )
 
 
-  figure(
-    image(sigil, width: 100%),
-  )
+  if sigil != none {
+    figure(
+      image(sigil, width: 100%),
+    )
+  }
 
   align(center)[
     #set text(font: font.decoration, 36pt, weight: "black")