diff -r 0ffb35999bb0 -r fb673fa1cad5 Makefile
--- a/Makefile	Thu Dec 28 00:57:23 2023 +0100
+++ b/Makefile	Thu Dec 28 01:35:17 2023 +0100
@@ -44,4 +44,4 @@
 	    epoxy x11 glu glm poppler-cpp)
 
 documents/ohp3d.pdf: documents/ohp3d.tex
-	cd documents; pdflatex $(notdir $(<))
+	cd documents; pdflatex $(notdir $(<)); pdflatex $(notdir $(<))