diff --git a/server_rack/images/fan_plate.png b/server_rack/images/fan_plate.png
new file mode 100644
index 0000000..942dea4
Binary files /dev/null and b/server_rack/images/fan_plate.png differ
diff --git a/server_rack/images/rack.png b/server_rack/images/rack.png
new file mode 100644
index 0000000..5dfb28f
Binary files /dev/null and b/server_rack/images/rack.png differ
diff --git a/server_rack/images/ssd_plate.png b/server_rack/images/ssd_plate.png
new file mode 100644
index 0000000..b1d1033
Binary files /dev/null and b/server_rack/images/ssd_plate.png differ
diff --git a/server_rack/scad/base_plate.scad b/server_rack/scad/base_plate.scad
index 63944c1..6f72dad 100644
--- a/server_rack/scad/base_plate.scad
+++ b/server_rack/scad/base_plate.scad
@@ -15,20 +15,20 @@ module pilar() {
     }
 }
 // holes_positions
-* color("red") {
+color("red") {
     translate([-60,0,b_height-.5]) ycyl(l=200, d=1);
     translate([60,0,b_height-.5]) ycyl(l=200, d=1);
 }
 
 // sample side attach
-* difference() {
+difference() {
 	translate([0, 0, 0]) zcyl(l=5, d=18, rounding2=1);
 	nutcatch_parallel("M4", clh=0.1);
 	translate([0,0,10]) hole_through(name="M4", l=10+5, cld=0.1, h=0, hcld=0.4);
 }
 
 // base plate
-difference() {
+!difference() {
     union() {
         rect_tube(b_height+1, base_l, wall=base_e, rounding=base_e, irounding=base_e/2, center=true) {
         attach(BOT) rect_tube(base_e, base_l, wall=base_e*4, rounding=base_e, irounding=base_e/2, center=true);
diff --git a/server_rack/scad/fan_mount.scad b/server_rack/scad/fan_mount.scad
new file mode 100644
index 0000000..5044d52
--- /dev/null
+++ b/server_rack/scad/fan_mount.scad
@@ -0,0 +1,18 @@
+include <BOSL2/std.scad>
+
+module fan_mount() {
+    difference() {
+        union() {
+            rotate([0,0,45]) cuboid([250,15,3], rounding=5, edges=[FWD+RIGHT,FWD+LEFT,BACK+RIGHT,BACK+LEFT]);
+            rotate([0,0,-45]) cuboid([250,15,3], rounding=5, edges=[FWD+RIGHT,FWD+LEFT,BACK+RIGHT,BACK+LEFT]);
+            tube(od=172.5, id=138.5, l=3);
+            }
+        // fan_holes
+        translate([52.5,52.5,0]) zcyl(l=10, d=4.5);
+        translate([52.5,-52.5,0]) zcyl(l=10, d=4.5);
+        translate([-52.5,52.5,0]) zcyl(l=10, d=4.5);
+        translate([-52.5,-52.5,0]) zcyl(l=10, d=4.5);
+    }
+}
+
+*fan_mount();
diff --git a/server_rack/scad/rack.scad b/server_rack/scad/rack.scad
new file mode 100644
index 0000000..7b53f59
--- /dev/null
+++ b/server_rack/scad/rack.scad
@@ -0,0 +1,133 @@
+$fn=60;
+
+include <BOSL2/std.scad>
+include <boltsos_0.4.1/BOLTS.scad>
+include <nutsnbolts/cyl_head_bolt.scad>;
+include <triple_ssd_mount.scad>
+include <fan_mount.scad>
+
+base_l=190;
+base_e=3;
+b_height=5;
+r_height=200;
+
+module screw(x) {
+    translate([0,-5,0]) rotate([90,90,0]) {
+        nutcatch_parallel("M4", clh=0.1);
+        hole_through(name="M4", l=x, cld=0.1, h=0, hcld=0.4);
+    }
+}
+
+module base_plate() {
+    /*[front]*/
+    translate([0,0,13]) {
+        union() {
+            translate([-90,-97,0]) corner();
+            translate([90,-97,0]) mirror([1,0,0]) corner();
+        }
+        union() {
+            translate([-90,97,0]) corner();
+            translate([90,97,0]) mirror([1,0,0]) corner();
+        }
+    }
+    /*[plate]*/
+    translate([0,0,3]) rect_tube(7, size=[base_l,base_l+7], wall=base_e, center=true) {
+            attach(BOT) rect_tube(base_e, size=[base_l,base_l+7], wall=base_e*5, irounding=10, center=true);
+    }
+}
+
+module rail(h) {
+     difference() {
+        color("grey") cuboid([10,10,h], rounding=1);
+        color("red") for(i=[-90 : 20 : 90]) translate([0,0,i]) screw(10.5);
+    }
+}
+
+module rail2(h) {
+     difference() {
+        color("grey") cuboid([20,10,h], rounding=1);
+        color("red") for(i=[-90 : 20 : 90]) {
+           translate([5,0,i]) screw(10.5);
+           translate([-5,0,i]) screw(10.5);
+        }
+    }
+}
+
+module corner() {
+    difference() {
+        union() {
+            cuboid([30,3,30], rounding=3, edges=[LEFT+TOP,LEFT+BOT]);
+            translate([50,0,-10]) cuboid([100,3,10]);
+        }
+        translate([15,0,15]) ycyl(l=3.5, d=40);
+        translate([-10,0,10]) screw(10.5);
+        translate([-10,0,-10]) screw(10.5);
+        translate([30,0,-10]) screw(10.5);
+    }
+}
+
+module connector() {
+    mirror ([0,0,1]) difference() {
+        union() {
+            cuboid([33,16,30], rounding=1);
+            translate([50,0,-10]) cuboid([100,16,10], rounding=1);
+        }
+        translate([20,0,15]) ycyl(l=16.5, d=40, rounding=-1.5);
+        translate([-12,0,0]) cuboid([12,11,30], rounding=-1);
+        translate([-3,0,10]) rotate([0,0,90]) screw(20);
+        translate([-11,0,5]) ycyl(l=20, d=2);
+        translate([-11,0,-5]) ycyl(l=20, d=2);
+    }
+    *difference() {
+        translate([-5,0,10]) rotate([0,90,0]) nutcatch_parallel("M4", clh=0.1);
+        translate([-3,0,10]) rotate([0,0,90]) screw(20);
+    }
+}
+
+module walls() {
+    difference() {
+        union() {
+            translate([0,0,19]) cuboid([3,85,38], rounding=3, edges=[TOP+FRONT,TOP+BACK]);
+            for(i=[2:13:28]) translate([-1.5,0,i]) ycyl(l=85, d=3);
+        }
+        for(i=[7:13:33]) {
+            translate([0,-38.5,i]) xcyl(l=3, d=3.5);
+            translate([0,38.5,i]) xcyl(l=3, d=3.5);
+        }
+    }
+}
+
+// holes_positions
+color("red") {
+    translate([-60,0,-10]) ycyl(l=220, d=1);
+    translate([60,0,-10]) ycyl(l=220, d=1);
+    translate([-100,0,-10]) ycyl(l=220, d=1);
+    translate([100,0,-10]) ycyl(l=220, d=1);
+}
+
+/*[rails]*/
+    translate([-105,-90,0]) mirror([0,1,0]) rail2(200);
+    translate([-105,90,0]) rail2(200);
+    translate([100,-90,0]) mirror([0,1,0]) rail(200);
+    translate([100,90,0]) rail(200);
+    // 1U
+    translate([120,90,-40]) rail(120);
+
+/*connectors*/
+color("green") translate([0,0,-80]) rotate([0,0,90]) {
+    translate([-79,-100,0]) connector();
+    translate([79,-100,0]) mirror([1,0,0]) connector();
+}
+
+color("cyan") {
+    /*[plates_and_accessories]*/
+    translate([0,0,7]) {
+        base_plate();
+        rotate([0,0,90]) ssd_mount();
+    }
+    translate([0,0,-53]) {
+        base_plate();
+        translate([0,0,-0.5]) rotate([0,0,90])fan_mount();
+    }
+}
+
diff --git a/server_rack/scad/temp.scad b/server_rack/scad/temp.scad
deleted file mode 100644
index c02be2c..0000000
--- a/server_rack/scad/temp.scad
+++ /dev/null
@@ -1,30 +0,0 @@
-$fn=60;
-
-include <BOSL2/std.scad>
-include <nutsnbolts/cyl_head_bolt.scad>
-
-* import("../stl/dual_2.5_ssd_shelf.stl");
-
-module wall() {
-    difference() {
-        union() {
-            translate([0,0,19]) cuboid([3,85,38], rounding=3, edges=[TOP+FRONT,TOP+BACK]);
-        translate([-1.5,0,2.5]) ycyl(l=85, d=3);
-        translate([-1.5,0,15.5]) ycyl(l=85, d=3);
-        translate([-1.5,0,28.5]) ycyl(l=85, d=3);
-    }
-        translate([0,-38.5,7]) xcyl(l=3, d=3.5);
-        translate([0,-38.5,20]) xcyl(l=3, d=3.5);
-        translate([0,-38.5,33]) xcyl(l=3, d=3.5);
-        translate([0,38.5,7]) xcyl(l=3, d=3.5);
-        translate([0,38.5,20]) xcyl(l=3, d=3.5);
-        translate([0,38.5,33]) xcyl(l=3, d=3.5);
-    }
-}
-
-color("red") {
-    rect_tube(h=3, size=[76,85], wall=7);
-    * cuboid([76,85,3]);
-    translate([36.5,0,0]) wall();
-    translate([-36.5,0,0]) mirror([1,0,0]) wall();
-}
\ No newline at end of file
diff --git a/server_rack/scad/triple_ssd_mount.scad b/server_rack/scad/triple_ssd_mount.scad
index 3da21ae..daa978b 100644
--- a/server_rack/scad/triple_ssd_mount.scad
+++ b/server_rack/scad/triple_ssd_mount.scad
@@ -1,37 +1,33 @@
-$fn=60;
-
 include <BOSL2/std.scad>
 
-module wall() {
+module walls() {
     difference() {
         union() {
             translate([0,0,19]) cuboid([3,85,38], rounding=3, edges=[TOP+FRONT,TOP+BACK]);
-        translate([-1.5,0,2]) ycyl(l=85, d=3);
-        translate([-1.5,0,15]) ycyl(l=85, d=3);
-        translate([-1.5,0,28]) ycyl(l=85, d=3);
-    }
-        translate([0,-38.5,7]) xcyl(l=3, d=3.5);
-        translate([0,-38.5,20]) xcyl(l=3, d=3.5);
-        translate([0,-38.5,33]) xcyl(l=3, d=3.5);
-        translate([0,38.5,7]) xcyl(l=3, d=3.5);
-        translate([0,38.5,20]) xcyl(l=3, d=3.5);
-        translate([0,38.5,33]) xcyl(l=3, d=3.5);
-    }
-}
-
-
-difference() {
-    union() {
-        rect_tube(h=3, size=[85,85], wall=10, center=true, anchor=TOP)
-        translate([36.5,0,0]) wall();
-        translate([-36.5,0,0]) mirror([1,0,0]) wall();
-        rotate([0,0,41]) cuboid([170,10,3], rounding=5, edges=[FWD+RIGHT,FWD+LEFT,BACK+RIGHT,BACK+LEFT]);
-        rotate([0,0,-41]) cuboid([170,10,3], rounding=5, edges=[FWD+RIGHT,FWD+LEFT,BACK+RIGHT,BACK+LEFT]);
-            tube(od=135, id=125, l=3);
+            for(i=[2:13:28]) translate([-1.5,0,i]) ycyl(l=85, d=3);
         }
-    * cuboid([66,75,8]);
-    translate([60,52.5,0]) zcyl(l=10, d=4.5);
-    translate([60,-52.5,0]) zcyl(l=10, d=4.5);
-    translate([-60,52.5,0]) zcyl(l=10, d=4.5);
-    translate([-60,-52.5,0]) zcyl(l=10, d=4.5);
+        for(i=[7:13:33]) {
+            translate([0,-38.5,i]) xcyl(l=3, d=3.5);
+            translate([0,38.5,i]) xcyl(l=3, d=3.5);
+        }
+    }
 }
+
+module ssd_mount() {
+    difference() {
+        union() {
+            rect_tube(h=3, size=[85,85], wall=10, center=true);
+            translate([36.5,0,0]) walls();
+            translate([-36.5,0,0]) mirror([1,0,0]) walls();
+            rotate([0,0,41]) cuboid([250,15,3], rounding=5, edges=[FWD+RIGHT,FWD+LEFT,BACK+RIGHT,BACK+LEFT]);
+            rotate([0,0,-41]) cuboid([250,15,3], rounding=5, edges=[FWD+RIGHT,FWD+LEFT,BACK+RIGHT,BACK+LEFT]);
+            tube(od=172.5, id=147.5, l=3);
+            }
+        translate([60,52.5,0]) zcyl(l=10, d=4.5);
+        translate([60,-52.5,0]) zcyl(l=10, d=4.5);
+        translate([-60,52.5,0]) zcyl(l=10, d=4.5);
+        translate([-60,-52.5,0]) zcyl(l=10, d=4.5);
+    }
+}
+
+*ssd_mount();
diff --git a/server_rack/stl/connector.stl b/server_rack/stl/connector.stl
new file mode 100644
index 0000000..d2b8fed
Binary files /dev/null and b/server_rack/stl/connector.stl differ
diff --git a/server_rack/stl/fan_plate.stl b/server_rack/stl/fan_plate.stl
new file mode 100644
index 0000000..8c520ba
Binary files /dev/null and b/server_rack/stl/fan_plate.stl differ
diff --git a/server_rack/stl/front_plate.stl b/server_rack/stl/front_plate.stl
new file mode 100644
index 0000000..e420020
Binary files /dev/null and b/server_rack/stl/front_plate.stl differ
diff --git a/server_rack/stl/rail.stl b/server_rack/stl/rail.stl
new file mode 100644
index 0000000..695d9f0
Binary files /dev/null and b/server_rack/stl/rail.stl differ
diff --git a/server_rack/stl/rail2.stl b/server_rack/stl/rail2.stl
new file mode 100644
index 0000000..b748376
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diff --git a/server_rack/stl/rail_1U.stl b/server_rack/stl/rail_1U.stl
new file mode 100644
index 0000000..7930ae7
Binary files /dev/null and b/server_rack/stl/rail_1U.stl differ
diff --git a/server_rack/stl/triple_ssd_plus_fan_plate.stl b/server_rack/stl/triple_ssd_plus_fan_plate.stl
new file mode 100644
index 0000000..58bafad
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