diff --git a/libtest.png b/libtest.png
index a24f133..2261106 100644
Binary files a/libtest.png and b/libtest.png differ
diff --git a/tests/png/fan_guard.png b/tests/png/fan_guard.png
index fcd54c3..f618137 100644
Binary files a/tests/png/fan_guard.png and b/tests/png/fan_guard.png differ
diff --git a/tests/png/pcbs.png b/tests/png/pcbs.png
index 33d5bd5..b5e688c 100644
Binary files a/tests/png/pcbs.png and b/tests/png/pcbs.png differ
diff --git a/tests/png/pillars.png b/tests/png/pillars.png
index 778cdab..730b429 100644
Binary files a/tests/png/pillars.png and b/tests/png/pillars.png differ
diff --git a/tests/png/screws.png b/tests/png/screws.png
index 97d99ad..2cc53c4 100644
Binary files a/tests/png/screws.png and b/tests/png/screws.png differ
diff --git a/tests/png/spools.png b/tests/png/spools.png
index 7a1b7f5..29f5ed9 100644
Binary files a/tests/png/spools.png and b/tests/png/spools.png differ
diff --git a/vitamins/pillars.scad b/vitamins/pillars.scad
index 0619f10..46edf8f 100644
--- a/vitamins/pillars.scad
+++ b/vitamins/pillars.scad
@@ -31,7 +31,7 @@
 //
 M2x16_brass_pillar     = ["M2x16_brass_pillar",     "nurled",    2, 16, 3.17,      3.17,       0, 0, brass,     brass,    3,-3];
 M3x13_hex_pillar       = ["M3x13_hex_pillar",       "hex",       3, 13, 5/cos(30), 5/cos(30),  6, 6, "silver", "silver", -6, 6];
-M3x20_hex_pillar       = ["M3x20_hex_pillar",       "hex",       3, 20, 5/cos(30), 5/cos(30),  6, 6, "silver", "silver", -6, 6];
+M3x20_hex_pillar       = ["M3x20_hex_pillar",       "hex",       3, 20, 5/cos(30), 5/cos(30),  6, 6, "silver", "silver", -8, 8];
 M3x20_nylon_pillar     = ["M3x20_nylon_pillar",     "nylon",     3, 20, 8,         5/cos(30),  0, 6, "white",   brass,   -6, 6];
 M4x17_nylon_pillar     = ["M4x17_nylon_pillar",     "nylon",     4, 20, 8,         5/cos(30),  0, 6, "white",   brass,   -6, 6];
 M3x20_nylon_hex_pillar = ["M3x20_nylon_hex_pillar", "hex nylon", 3, 20, 8/cos(30), 8/cos(30),  6, 6,  grey20,   grey20,  -6, 6];
diff --git a/vitamins/screws.scad b/vitamins/screws.scad
index 0f69022..037193f 100644
--- a/vitamins/screws.scad
+++ b/vitamins/screws.scad
@@ -110,7 +110,7 @@ screw_lists = [
 [ M2_cap_screw, M2p5_cap_screw, M3_cap_screw, M4_cap_screw, M5_cap_screw, M6_cap_screw, M8_cap_screw],
 [ 0,            0,              M3_low_cap_screw],
 [ 0,            0,              M3_hex_screw, M4_hex_screw, M5_hex_screw, M6_hex_screw, M8_hex_screw],
-[ 0,            M2p5_pan_screw, M3_pan_screw, M4_pan_screw, No632_pan_screw, M5_pan_screw, M6_pan_screw],
+[ 0,            M2p5_pan_screw, M3_pan_screw, M4_pan_screw, M5_pan_screw, M6_pan_screw, No632_pan_screw],
 [ 0,            No2_screw,      No4_screw,    No6_screw,    No6_cs_screw],
 [ 0,            M2_cs_cap_screw,M3_cs_cap_screw, M4_cs_cap_screw],
 [ 0,            0,              M3_dome_screw, M4_dome_screw],