diff --git a/photobook.cls b/photobook.cls
index 7ba698f..d22adae 100644
--- a/photobook.cls
+++ b/photobook.cls
@@ -3046,12 +3046,38 @@
 %
 % NOTE: these should be used in a box.
 % NOTE: these are centered in origin.
+%
 % XXX these can affect the items after -- need to encapsulate better + test...
 % XXX something's odd with these -- when \foldmarksize is <6mm the bottom 
 %		fold mark gets messed up...
 % XXX do we need to make centering block size dependant on \foldmarksize 
 %		or are the two independent??? (test)
 % XXX doc...
+
+% XXX need to handle baseline arg...
+%\newsavebox\photobook@foldinmark
+%\sbox{\photobook@foldinmark}{%
+%	\vspace{\dimexpr 0.5\foldmarksize + #1 \relax}%
+%	\smash{\makebox[0pt][l]{%
+%		% size-agnostic centering...
+%		\hspace{-5mm}{\makebox[1cm][c]{%
+%			\begin{tikzpicture}%
+%				\draw[white, ultra thick] 
+%					(-0.3333\foldmarksize,03333\foldmarksize) 
+%					-- (0,0) 
+%					-- (0.3333\foldmarksize,0.3333\foldmarksize);
+%				\draw[white, ultra thick] 
+%					(0,0.6666\foldmarksize) 
+%					-- (0,-0.3333\foldmarksize);
+%				\draw[black, thin] 
+%					(-0.3333\foldmarksize,03333\foldmarksize) 
+%					-- (0,0) 
+%					-- (0.3333\foldmarksize,0.3333\foldmarksize);
+%				\draw[black, thin] 
+%					(0,0.6666\foldmarksize) 
+%					-- (0,-0.3333\foldmarksize);
+%			\end{tikzpicture}}}}}}
+
 \newcommand\foldinmark[1][0pt]{
 	\vspace{\dimexpr 0.5\foldmarksize + #1 \relax}%
 	\smash{\makebox[0pt][l]{%