--- a/Makefile	Wed Dec 27 12:11:27 2023 +0100
+++ b/Makefile	Wed Dec 27 12:50:47 2023 +0100
@@ -19,6 +19,12 @@
 
 clean:
 	rm -rf build
+	rm -f documents/*.aux
+	rm -f documents/*.log
+	rm -f documents/*.nav
+	rm -f documents/*.out
+	rm -f documents/*.snm
+	rm -f documents/*.toc
 
 run: build/ohp3d
 	OHP3D_DATA_DIR=. $(<)
@@ -36,3 +42,6 @@
 	mkdir -p build
 	$(CXX) -std=c++20 -g -o $(@) $(SRC) $$(pkg-config --cflags --libs \
 	    epoxy x11 glu glm poppler-cpp)
+
+documents/ohp3d.pdf: documents/ohp3d.tex
+	cd documents; pdflatex $(notdir $(<))