diff --git a/openscad/own/supermicro_cs836_fan-holder/fanholder_back.png b/openscad/own/supermicro_cs836_fan-holder/fanholder_back.png
index dc36a02..3254b18 100644
Binary files a/openscad/own/supermicro_cs836_fan-holder/fanholder_back.png and b/openscad/own/supermicro_cs836_fan-holder/fanholder_back.png differ
diff --git a/openscad/own/supermicro_cs836_fan-holder/fanholder_back.scad b/openscad/own/supermicro_cs836_fan-holder/fanholder_back.scad
index 23f8698..6e4ff4a 100644
--- a/openscad/own/supermicro_cs836_fan-holder/fanholder_back.scad
+++ b/openscad/own/supermicro_cs836_fan-holder/fanholder_back.scad
@@ -2,13 +2,13 @@
 fan_dia=80;
 fan_depth=25;
 fan_oversize=10;
-mt=2;
+mt=2.5;
 width=fan_dia;
 length=fan_dia;
 hole_dia=4.25;
 hole_offset=4.5;
 depth=34-fan_depth;
-cage_mt=1.5;
+cage_mt=2;
 $fn=100;
 
 //##################
diff --git a/openscad/own/supermicro_cs836_fan-holder/fanholder_back.stl b/openscad/own/supermicro_cs836_fan-holder/fanholder_back.stl
index a2137a6..3194ff7 100644
Binary files a/openscad/own/supermicro_cs836_fan-holder/fanholder_back.stl and b/openscad/own/supermicro_cs836_fan-holder/fanholder_back.stl differ