diff --git a/README.rst b/README.rst
index 6e357b1..a4a1191 100644
--- a/README.rst
+++ b/README.rst
@@ -1,4 +1,4 @@
-.. image:: docs/nutNbolt.png
+.. image:: docs/imgs/nutNbolt.png
         :width: 20%
         :alt: bolt-in-nut logo
 
@@ -37,7 +37,7 @@ To create a bolt (without head) with 5 turns of M4 thread:
 
         bolt("M4", turns=5);
 
-.. image:: docs/bolt-M4.png
+.. image:: docs/imgs/bolt-M4.png
         :width: 30%
         :alt: Bolt with M4 thread
 
@@ -47,7 +47,7 @@ A nut:
 
         nut("M12x0.5", turns=10, Douter=40);
 
-.. image:: docs/nut-M12x0.5.png
+.. image:: docs/imgs/nut-M12x0.5.png
         :width: 30%
         :alt: M12x0.5 nut
 
diff --git a/docs/Makefile b/docs/Makefile
index 57bb209..b9772d5 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -1,19 +1,19 @@
 os = /usr/local/bin/openscad
 opts =
-imgs = bolt-M4.png nut-M12x0.5.png nutNbolt.png
+imgs = imgs/bolt-M4.png imgs/nut-M12x0.5.png imgs/nutNbolt.png
 
 .PHONY: all
 all: $(imgs)
 
-bolt-M4.png: bolt.scad
+imgs/bolt-M4.png: bolt.scad
 	$(os) $(opts) --D 'type="M4"' --camera=0.49,-0.26,1.55,74.6,0.0,78.9,20 --imgsize=2048,2048 -o $@ $<
 
-nut-M12x0.5.png: nut.scad
+imgs/nut-M12x0.5.png: nut.scad
 	$(os) $(opts) --D 'type="M12x0.5"' --D 'turns=10' --D 'Douter=16' --camera=-2.2,1.2,1.8,66,0,73,52 --imgsize=2048,2048 --projection=ortho -o $@ $<
 
-nutNbolt.png: nutNbolt.scad
+imgs/nutNbolt.png: nutNbolt.scad
 	$(os) $(opts) --camera=-0.24,1.19,4.24,83,0,326.9,40.3 --imgsize=2048,2048 --projection=ortho -o $@ $<
 
 .PHONY: clean
 clean:
-	rm *.png
+	rm imgs/*.png
diff --git a/img/BSPthread.jpg b/docs/imgs/BSPthread.jpg
similarity index 100%
rename from img/BSPthread.jpg
rename to docs/imgs/BSPthread.jpg
diff --git a/docs/imgs/bolt-M4.png b/docs/imgs/bolt-M4.png
new file mode 100644
index 0000000..c7398ea
Binary files /dev/null and b/docs/imgs/bolt-M4.png differ
diff --git a/docs/imgs/nut-M12x0.5.png b/docs/imgs/nut-M12x0.5.png
new file mode 100644
index 0000000..5f180b3
Binary files /dev/null and b/docs/imgs/nut-M12x0.5.png differ
diff --git a/docs/imgs/nutNbolt.png b/docs/imgs/nutNbolt.png
new file mode 100644
index 0000000..92e26f4
Binary files /dev/null and b/docs/imgs/nutNbolt.png differ