diff --git a/libtest.png b/libtest.png
index 19a0f64..2cf3957 100644
Binary files a/libtest.png and b/libtest.png differ
diff --git a/readme.md b/readme.md
index f0dc275..efe59e2 100644
--- a/readme.md
+++ b/readme.md
@@ -288,6 +288,8 @@ Models of radial blowers.
 | `blower_screw_holes(type)` | List of XY coordinates of the screw holes |
 | `blower_top(type)` | Thickness of the top |
 | `blower_wall(type)` | Side wall thickness |
+| `blower_wall_left(type)` | Left side wall thickness |
+| `blower_wall_right(type)` | Right wall thickness (for square fans) |
 | `blower_width(type)` | Width of enclosing rectangle |
 
 ### Functions
@@ -311,10 +313,12 @@ Models of radial blowers.
 |   1 | `blower(PE4020)` |  Blower Pengda Technology 4020 |
 |   1 | `blower(RB5015)` |  Blower Runda RB5015 |
 |   4 | `screw(M2_cap_screw, 8)` |  Screw M2 cap x  8mm |
+|   2 | `screw(M2_cap_screw, 10)` |  Screw M2 cap x 10mm |
 |   3 | `screw(M3_cap_screw, 20)` |  Screw M3 cap x 20mm |
 |   2 | `screw(M4_cap_screw, 25)` |  Screw M4 cap x 25mm |
+|   1 | `blower(BL30x10)` |  Square radial fan 3010 |
 |   1 | `blower(BL40x10)` |  Square radial fan 4010 |
-|   4 | `washer(M2_washer)` |  Washer  M2 x 5mm x 0.3mm |
+|   6 | `washer(M2_washer)` |  Washer  M2 x 5mm x 0.3mm |
 |   3 | `washer(M3_washer)` |  Washer  M3 x 7mm x 0.5mm |
 |   2 | `washer(M4_washer)` |  Washer  M4 x 9mm x 0.8mm |
 
diff --git a/tests/blowers.scad b/tests/blowers.scad
index 6ae503f..5a814ce 100644
--- a/tests/blowers.scad
+++ b/tests/blowers.scad
@@ -22,7 +22,7 @@ use <../utils/layout.scad>
 include <../vitamins/blowers.scad>
 
 module blowers()
-    layout([for(b = blowers) blower_width(b)], 10, true) let(b = blowers[$i]){
+    layout([for(b = blowers) blower_width(b)], 5, true) let(b = blowers[$i]){
         screw = blower_screw(b);
         h = blower_lug(b);
 
diff --git a/tests/png/blowers.png b/tests/png/blowers.png
index 985e653..2ccd3b8 100644
Binary files a/tests/png/blowers.png and b/tests/png/blowers.png differ