diff --git a/openscad/own/supermicro_sc808t/ssd-diskshelf_slider/disk-slider.scad b/openscad/own/supermicro_sc808t/ssd-diskshelf_slider/disk-slider.scad
index 639e620..7c46fac 100644
--- a/openscad/own/supermicro_sc808t/ssd-diskshelf_slider/disk-slider.scad
+++ b/openscad/own/supermicro_sc808t/ssd-diskshelf_slider/disk-slider.scad
@@ -40,7 +40,9 @@ draw_hole_y3=121;
 filler_w=draw_w_inner-slide_base_w-slack;
 flange_d=1;
 flange_h=3;
-
+post_h=4;
+link1_l=slide_base_w/2;
+link2_l=slide_base_w-(slide_base_hole_dia*3.4);
 // #####################################
 module drawer_mockup(){
     color("brown")translate([0,draw_l_front/2,draw_h_front/2])cube([draw_w_front,draw_l_front,draw_h_front],center=true);
@@ -163,6 +165,86 @@ module clip_wide(){
         }
     }
 }
+
+
+module clip_rear_base(){
+    translate([0,slide_base_l/2-slide_base_l/2.5,slide_bottom_t/2+mt*1.5]){
+        difference(){
+            union(){
+                hull(){
+                    translate([slide_base_w/3,0,mt*0.5])cylinder(h=mt*2,r=slide_base_hole_dia*1.15,center=true);
+                    translate([-slide_base_w/3,0,mt*0.5])cylinder(h=mt*2,r=slide_base_hole_dia*1.15,center=true);   
+                }
+            }
+            translate([slide_base_w/5,0,mt*2])cylinder(h=mt*2,r=slide_base_hole_dia*0.75+q,center=true);
+            translate([-slide_base_w/5,0,mt*2])cylinder(h=mt*2,r=slide_base_hole_dia*0.75+q,center=true); 
+            translate([slide_base_w/3,0,mt*2])cylinder(h=mt*2,r=slide_base_hole_dia*0.75+q,center=true);
+            translate([-slide_base_w/3,0,mt*2])cylinder(h=mt*2,r=slide_base_hole_dia*0.75+q,center=true);           
+            for(x=[-(slide_base_w/3),(slide_base_w/3),-(slide_base_w/5),(slide_base_w/5)]){
+                translate([x,0,0])cylinder(h=slide_bottom_t+Q,r=slide_base_hole_dia/2-0.5,center=true);
+            }
+            for(x=[-slide_channel_w/2:1:slide_channel_w/2]){
+            hull(){
+                translate([x,0,-slide_base_hole_dia/2+mt/2-layer*2]){
+                    rotate([90,0,0])cylinder(h=slide_base_hole_dia*2.3+2*q,r=rod_hole_dia/2,center=true);
+                    }
+                }
+            }
+        }
+        translate([0,0,post_h/2+mt*1.5-q]){
+            difference(){
+                cylinder(r=slide_base_hole_dia+q,h=post_h,center=true,$fn=100);
+                cylinder(r=slide_base_hole_dia/2,h=post_h+q,center=true);
+            }            
+        }
+    }    
+}
+
+module linkage(){
+    translate([0,slide_base_l/2-slide_base_l/2.5,slide_bottom_t/2+mt*1.5+post_h/2+mt*1.5]){
+        rotate([0,0,55])difference(){
+            union(){
+                translate([0,-(link1_l/2),0])cube([post_h*2,link1_l,post_h-1],center=true);
+                // set1
+                cylinder(h=post_h-1,r=slide_base_hole_dia+3,center=true);
+                // set2
+                translate([0,-link1_l,0])cylinder(h=post_h-1,r=slide_base_hole_dia+3,center=true);
+            }
+            cylinder(h=post_h-1+q,r=slide_base_hole_dia+0.25,center=true);
+            translate([0,-link1_l,0])cylinder(h=post_h-1+q,r=slide_base_hole_dia+0.25,center=true);
+        }
+        translate([0,-21.5,-post_h]){
+            difference(){
+                union(){
+                    cube([link2_l,post_h*2,post_h-1],center=true);
+                    translate([-(link2_l/2),0,0])cylinder(h=post_h-1,r=slide_base_hole_dia+3,center=true);
+                }
+                    translate([-(link2_l/2),0,0])cylinder(h=post_h-1+q,r=slide_base_hole_dia+0.25,center=true);
+            }
+            translate([link2_l/2,0,(post_h)/2]){
+                difference(){
+                    cylinder(r=slide_base_hole_dia+q,h=post_h-1+post_h,center=true,$fn=100);
+                    translate([0,0,post_h/2])cylinder(r=slide_base_hole_dia/2,h=post_h+q,center=true);
+                }
+            } 
+        }
+    }
+    // washer, arbitrary values
+    translate([0,13,13])difference(){
+        cylinder(r=7,h=1.5,center=true,$fn=100);
+        
+        cylinder(r=2,h=1.5+q,center=true,$fn=100);
+    }
+}
+
+module base_end(){
+    difference(){
+        slider_base();
+        translate([0,slide_base_l/2+slide_base_l/7,0])cube([slide_base_w+q,slide_base_l+q,slide_base_h*2+q],center=true);
+    }
+    clip_rear_base();
+    linkage();
+};
 // #####################################
 //drawer_mockup();
 difference(){
@@ -181,7 +263,7 @@ difference(){
 //translate([13,draw_l_front+5.5,0])clip_wide();
 translate([-(draw_w_inner/2-filler_w/2-slack/2),draw_l_front+draw_l_inner/2-5,slide_wall_z_offset])color("pink")slider_filler();
 
-
+translate([13,draw_l_front-25.5,0])!base_end();