diff --git a/docs/project_preview.md b/docs/project_preview.md
deleted file mode 100644
index d0561b6..0000000
--- a/docs/project_preview.md
+++ /dev/null
@@ -1,20 +0,0 @@
-# {title}
-
-* Author: {author}
-* Description: {description}
-* Language: {language}
-
-{info}
-
-## Pinout
-
-| # | Input        | Output       | Bidirectional      |
-|---|--------------|--------------|--------------------|
-| 0 | {ui[0]}      | {uo[0]}      | {uio[0]}           |
-| 1 | {ui[1]}      | {uo[1]}      | {uio[1]}           |
-| 2 | {ui[2]}      | {uo[2]}      | {uio[2]}           |
-| 3 | {ui[3]}      | {uo[3]}      | {uio[3]}           |
-| 4 | {ui[4]}      | {uo[4]}      | {uio[4]}           |
-| 5 | {ui[5]}      | {uo[5]}      | {uio[5]}           |
-| 6 | {ui[6]}      | {uo[6]}      | {uio[6]}           |
-| 7 | {ui[7]}      | {uo[7]}      | {uio[7]}           |
diff --git a/docs/project_preview.md.mustache b/docs/project_preview.md.mustache
new file mode 100644
index 0000000..914e360
--- /dev/null
+++ b/docs/project_preview.md.mustache
@@ -0,0 +1,15 @@
+# {{title}}
+
+* Author: {{author}}
+* Description: {{&description}}
+* Language: {{language}}
+
+{{&info}}
+
+## Pinout
+
+| #             | Input    | Output   | Bidirectional  |
+|---------------|----------|----------|----------------|
+{{#pins}}
+| {{pin_index}} | {{&ui}}  | {{&uo}}  | {{&uio}}       |
+{{/pins}}
diff --git a/project.py b/project.py
index 4f6b3fd..9117ef7 100644
--- a/project.py
+++ b/project.py
@@ -10,6 +10,7 @@ import subprocess
 import typing
 
 import cairosvg  # type: ignore
+import chevron
 import gdstk  # type: ignore
 import yaml
 from git.repo import Repo
@@ -571,14 +572,24 @@ class Project:
     # use pandoc to create a single page PDF preview
     def create_pdf(self):
         template_args = copy.deepcopy(self.info.__dict__)
-        template_args["ui"] = self.info.pinout.ui
-        template_args["uo"] = self.info.pinout.uo
-        template_args["uio"] = self.info.pinout.uio
+        template_args.update(
+            {
+                "pins": [
+                    {
+                        "pin_index": str(i),
+                        "ui": self.info.pinout.ui[i],
+                        "uo": self.info.pinout.uo[i],
+                        "uio": self.info.pinout.uio[i],
+                    }
+                    for i in range(8)
+                ],
+            }
+        )
 
         logging.info("Creating PDF")
         with open(os.path.join(SCRIPT_DIR, "docs/project_header.md")) as fh:
             doc_header = fh.read()
-        with open(os.path.join(SCRIPT_DIR, "docs/project_preview.md")) as fh:
+        with open(os.path.join(SCRIPT_DIR, "docs/project_preview.md.mustache")) as fh:
             doc_template = fh.read()
         info_md = os.path.join(self.local_dir, "docs/info.md")
         with open(info_md) as fh:
@@ -589,7 +600,7 @@ class Project:
 
             # now build the doc & print it
             try:
-                doc = doc_template.format(**template_args)
+                doc = chevron.render(doc_template, template_args)
                 fh.write(doc)
                 fh.write("\n\\pagebreak\n")
             except IndexError:
diff --git a/requirements.txt b/requirements.txt
index c41a265..9d3ebb2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,6 +4,7 @@ CairoSVG==2.7.0
 certifi==2023.5.7
 cffi==1.15.1
 charset-normalizer==3.1.0
+chevron==0.14.0
 click==8.1.3
 cssselect2==0.7.0
 defusedxml==0.7.1