diff --git a/fc_plate_custom.scad b/fc_plate_custom.scad
index 9bef298..5aa41ec 100644
--- a/fc_plate_custom.scad
+++ b/fc_plate_custom.scad
@@ -1,26 +1,59 @@
-
 translate([77.8, 239.8, 0]) {
-    import("/home/valdor/Downloads/Crossfire_2/C2APMmount.stl");
+    //import("Crossfire_2/C2APMmount.stl");
 }
 
 $fn= 30;
 
+module bumper_hole() {
+    translate([0, 0, 1.5]) union() {
+        cylinder(d =  8.5, center = true, h = 3.1);
+        translate([0, 0, 0.76])
+            cylinder(d = 14.5, center = true, h = 1.5);
+    }
+}
+
 difference() {
     union() {
-        translate([-24, -19, 0]) cube(size=[48,38,3.175]);
-        
-        translate([ 15,  15, 3]) cylinder(d = 5, center = true, h = 6);
-        translate([-15,  15, 3]) cylinder(d = 5, center = true, h = 6);
-        translate([ 15, -15, 3]) cylinder(d = 5, center = true, h = 6);
-        translate([-15, -15, 3]) cylinder(d = 5, center = true, h = 6);
-    
-        
+        difference() {
+            translate([0, 0, 1.5]) cube(size=[ 50, 45, 3], center = true);
+            translate([0, 0, 1.5]) cube(size=[ 51 , 30, 3.3], center = true);
+        }
+
+        rotate([0, 0, 28]) translate([0, 0, 1.5]) cube(size=[ 55, 7, 3], center = true);
+        rotate([0, 0, -28]) translate([0, 0, 1.5]) cube(size=[ 55, 7, 3], center = true);
+
+        translate([ 17.5,  17.5, 3]) cylinder(d = 5, center = true, h = 6);
+        translate([-17.5,  17.5, 3]) cylinder(d = 5, center = true, h = 6);
+        translate([ 17.5, -17.5, 3]) cylinder(d = 5, center = true, h = 6);
+        translate([-17.5, -17.5, 3]) cylinder(d = 5, center = true, h = 6);
+
+        // bumper corners
+        translate([ 32,  16, 1.5]) cylinder(d =  18, center = true, h = 3);
+        translate([-32,  16, 1.5]) cylinder(d =  18, center = true, h = 3);
+        translate([ 32, -16, 1.5]) cylinder(d =  18, center = true, h = 3);
+        translate([-32, -16, 1.5]) cylinder(d =  18, center = true, h = 3);
+
+        // fixation holes corners
+        translate([  23,  23, 1.5]) cylinder(d = 8, center = true, h = 3);
+        translate([  23,- 23, 1.5]) cylinder(d = 8, center = true, h = 3);
+        translate([- 23,  23, 1.5]) cylinder(d = 8, center = true, h = 3);
+        translate([- 23,- 23, 1.5]) cylinder(d = 8, center = true, h = 3);
     }
-    
-    translate([-24, -12, 0]) cube(size=[48.1,24,3.2]);
-    
-    translate([ 15,  15, 5]) cylinder(d = 3.2, center = true, h = 10);
-    translate([-15,  15, 5]) cylinder(d = 3.2, center = true, h = 10);
-    translate([ 15, -15, 5]) cylinder(d = 3.2, center = true, h = 10);
-    translate([-15, -15, 5]) cylinder(d = 3.2, center = true, h = 10);
+
+    translate([ 17.5,  17.5, 5]) cylinder(d = 3, center = true, h = 10);
+    translate([-17.5,  17.5, 5]) cylinder(d = 3, center = true, h = 10);
+    translate([ 17.5, -17.5, 5]) cylinder(d = 3, center = true, h = 10);
+    translate([-17.5, -17.5, 5]) cylinder(d = 3, center = true, h = 10);
+
+    // bumper holes are removed
+    translate([ 32,  16, 0]) bumper_hole();
+    translate([-32,  16, 0]) bumper_hole();
+    translate([ 32, -16, 0]) bumper_hole();
+    translate([-32, -16, 0]) bumper_hole();
+
+    // fixation holes are removed
+    translate([  23,  23, 2]) cylinder(d = 3, center = true, h = 4);
+    translate([  23,- 23, 2]) cylinder(d = 3, center = true, h = 4);
+    translate([- 23,  23, 2]) cylinder(d = 3, center = true, h = 4);
+    translate([- 23,- 23, 2]) cylinder(d = 3, center = true, h = 4);
 }
\ No newline at end of file