reorder supermicro-sc808t stuff

openscad/own/supermicro_sc808t/io-shield/io-shield.scad

@@ -0,0 +1,217 @@
+// supermicro SC808 (and others) I/O-Shields to be able to utilize mITX-boards with extenation-cords that allow for Surface-Mounting
+// by zeus - 2022-09-11 - CC-BY-NC-SA-4.0 - https://git.kostianix.de/zeus/3d-stuff/openscad/own/supermicro_sc808t/
+// #####################################
+// VARS:
+// #####################################
+mt=2;
+q=0.01; //used as variable to remove manifold-glitches in preview. can be set to "0" in final version
+$fn=100;
+// shield:
+shield_w=178; // let's hope that fits onto my delta...
+shield_h=41;
+shield_d=10; //around 11.5 in the original, but that is not needed
+shield_tab_emboss_d=1; // that lowered lip, that the central and outer tabs mounts onto, 1mm (or one sheet-thickness) lower than the rest
+shield_tab_emboss_l=22; // length of the above described cutouts
+shield_tab_emboss_l2=shield_tab_emboss_l/2; // length of the side cutouts
+
+shield_holes=1; // draw holes if >0. the perimeter-holes are manually placed, and should be disabled, if many vars get altered! (and then drilled manually)
+shield_hole_d1=2.75;
+shield_hole_d2=shield_hole_d1+0.5; // slightly conical holes for better inserting
+// for separating the shield into two halves
+shield_center_slot=1; // draw slot if >0
+shield_center_slot_w=0.5;
+shield_hole_center_dia=4; 
+shield_hole_center_dist=shield_h/2;
+// model "gril":
+m_grill_w=3;
+m_grill_h=shield_h*0.75-m_grill_w-2*mt;
+m_grill_skew=25;
+m_grill_offset=5;
+m_grill_spacing=m_grill_w;
+//port ethernet:
+p_eth_hole_dist=27.5;
+p_eth_hole_dia=3.5;
+p_eth_slack=0.5;
+p_eth_base_x=22+p_eth_slack;
+p_eth_base_y=21.75+p_eth_slack;
+p_eth_cut_x=16+p_eth_slack;
+p_eth_cut_y=13.15+p_eth_slack;
+p_eth_cut_z=mt;
+p_eth_cut_x_offset=0;
+p_eth_cut_y_offset=1.5;
+//port usb:
+p_usb_hole_dist=30;
+p_usb_hole_dia=3.5;
+p_usb_slack=0.5;
+p_usb_base_x=23+p_eth_slack;
+p_usb_base_y=16.5+p_eth_slack;
+p_usb_cut_x=16+p_eth_slack;
+p_usb_cut_y=15+p_eth_slack;
+p_usb_cut_z=mt;
+p_usb_cut_x_offset=0;
+p_usb_cut_y_offset=0;
+//port vga:
+p_vga_hole_dist=25;
+p_vga_hole_dia=3.5;
+p_vga_slack=0.5;
+p_vga_base_x=34+p_eth_slack;
+p_vga_base_y=15.25+p_eth_slack;
+p_vga_cut_x=16+p_eth_slack;
+p_vga_cut_y=8+p_eth_slack;
+p_vga_cut_z=mt;
+p_vga_cut_x_offset=0;
+p_vga_cut_y_offset=0;
+//port slot:
+p_slot_hole_dist=27.5;
+p_slot_hole_dia=7.5;
+// #####################################
+// MODEL:
+// mounting holes around the shield perimeter
+module port_ethernet(){
+    cube([p_eth_base_x,p_eth_base_y,mt],center=true);
+    translate([p_eth_cut_x_offset,p_eth_cut_y_offset,p_eth_cut_z+mt/2])cube([p_eth_cut_x,p_eth_cut_y,p_eth_cut_z+mt],center=true);
+    hull(){
+        translate([-p_eth_hole_dist/2,0,0])cylinder(d=p_eth_hole_dia+mt,h=mt,center=true);
+        translate([p_eth_hole_dist/2,0,0])cylinder(d=p_eth_hole_dia+mt,h=mt,center=true);
+   }
+   translate([-p_eth_hole_dist/2,0,mt*1.5])cylinder(d=p_eth_hole_dia,h=mt*2,center=true);
+   translate([p_eth_hole_dist/2,0,mt*1.5])cylinder(d=p_eth_hole_dia,h=mt*2,center=true);
+}
+
+module port_usb(){
+    cube([p_usb_base_x,p_usb_base_y,mt],center=true);
+    translate([p_usb_cut_x_offset,p_usb_cut_y_offset,p_usb_cut_z+mt/2])cube([p_usb_cut_x,p_usb_cut_y,p_usb_cut_z+mt],center=true);
+    hull(){
+        translate([-p_usb_hole_dist/2,0,0])cylinder(d=p_usb_hole_dia+mt,h=mt,center=true);
+        translate([p_usb_hole_dist/2,0,0])cylinder(d=p_usb_hole_dia+mt,h=mt,center=true);
+   }
+   translate([-p_usb_hole_dist/2,0,mt*1.5])cylinder(d=p_usb_hole_dia,h=mt*2,center=true);
+   translate([p_usb_hole_dist/2,0,mt*1.5])cylinder(d=p_usb_hole_dia,h=mt*2,center=true);
+}
+
+module port_vga(){
+    cube([p_vga_base_x,p_vga_base_y,mt],center=true);
+    translate([p_vga_cut_x_offset,p_vga_cut_y_offset,p_vga_cut_z+mt/2])cube([p_vga_cut_x,p_vga_cut_y,p_vga_cut_z+mt],center=true);
+    hull(){
+        translate([-p_vga_hole_dist/2,0,0])cylinder(d=p_vga_hole_dia+mt,h=mt,center=true);
+        translate([p_vga_hole_dist/2,0,0])cylinder(d=p_vga_hole_dia+mt,h=mt,center=true);
+   }
+   translate([-p_vga_hole_dist/2,0,mt*1.5])cylinder(d=p_vga_hole_dia,h=mt*2,center=true);
+   translate([p_vga_hole_dist/2,0,mt*1.5])cylinder(d=p_vga_hole_dia,h=mt*2,center=true);
+}
+
+module port_slot(){
+    hull(){
+        translate([-p_slot_hole_dist/2,0,mt])cylinder(d=p_slot_hole_dia,h=mt*2,center=true);
+        translate([p_slot_hole_dist/2,0,mt])cylinder(d=p_slot_hole_dia,h=mt*2,center=true);
+    }
+}
+module shield_hole(x,y,z,rotx,roty){
+    translate([x,y,shield_d/2-z])rotate([rotx,roty,0])cylinder(d1=shield_hole_d1,d2=shield_hole_d2,h=mt+q,center=true);
+}
+// basic shield
+module shield(){
+    difference(){
+        cube([shield_w,shield_h,shield_d],center=true); // basebox
+        translate([0,0,mt/2+q])cube([shield_w-2*mt,shield_h-2*mt,shield_d-mt],center=true); // main hollowing
+        for(x=[-shield_w/2+shield_tab_emboss_l/2,shield_w/2-shield_tab_emboss_l/2]){ 
+            translate([x,shield_h/2-shield_tab_emboss_d/2,0])cube([shield_tab_emboss_l+q,shield_tab_emboss_d+q,shield_d+q],center=true);// top edge-cutout
+        }
+        for(x=[-shield_w/2+shield_tab_emboss_d/2,shield_w/2-shield_tab_emboss_d/2]){ 
+            translate([x,shield_h/2-shield_tab_emboss_l2/2,0])cube([shield_tab_emboss_d+q,shield_tab_emboss_l2+q,shield_d+q],center=true);// side edge-cutout
+        }
+
+  }
+        for(x=[-shield_w/2+shield_tab_emboss_l/2+mt,shield_w/2-shield_tab_emboss_l/2-mt]){ 
+            translate([x,shield_h/2-shield_tab_emboss_d/2-mt,0])cube([shield_tab_emboss_l+mt+q,shield_tab_emboss_d+q,shield_d+q],center=true);// supportblock for top edge-cutout
+        for(x=[-shield_w/2+shield_tab_emboss_d/2+shield_tab_emboss_d+mt/2,shield_w/2-shield_tab_emboss_d/2-shield_tab_emboss_d-mt/2]){ 
+            translate([x,shield_h/2-shield_tab_emboss_l2/2-mt,0])cube([shield_tab_emboss_d+q,shield_tab_emboss_l2+q,shield_d+q],center=true);// supportblock for side edge-cutout
+        }
+    }
+        cube([mt*4,shield_h,shield_d],center=true); // central support-block
+}
+
+// first iteration: optional slotting
+module shield_1(){
+  if (shield_center_slot>0) { // generate slot and matching connection-holes in the center
+    difference(){
+        shield();
+        cube([shield_center_slot_w,shield_h+q,shield_d+q],center=true);
+        for(y=[-shield_hole_center_dist/2,shield_hole_center_dist/2]){
+            translate([0,y,mt/2])rotate([0,90,0])cylinder(d=shield_hole_center_dia,h=mt*4+q,center=true);
+        }
+    }
+}
+else shield();  
+}
+
+// second iteration: add some holes
+module shield_2(){
+    difference(){
+        shield_1();
+        if (shield_holes>0) {
+            // some holes all around, (left, than clockwise, viewed from behind). THESE ARE MANUALLY PLACED!
+            // shield_hole(x,y,z,rotx,roty), "z" is the distance from lip-edge to the center of the hole, x is from center
+            shield_hole(-shield_w/2+mt/2,-0.5,4,0,-90); //left side
+            shield_hole(-shield_w/2+mt/2+4.5,shield_h/2-shield_tab_emboss_d-mt/2-q*0.5,6.25,-90,0); //top side, 1st from left (recessed)
+            shield_hole(-shield_w/2+mt/2+29.5,shield_h/2-mt/2,4.4,-90,0); //top side, 2nd from left 
+            shield_hole(-shield_w/2+mt/2+147,shield_h/2-mt/2,4.4,-90,0); //top side, 3rd from left
+            shield_hole(-shield_w/2+mt/2+162,shield_h/2-shield_tab_emboss_d-mt/2-q*0.5,5.5,-90,0); //top side, 4th from left (recessed)
+            shield_hole(-shield_w/2+mt/2+171.5,shield_h/2-shield_tab_emboss_d-mt/2-q*0.5,6.25,-90,0); //top side, 5th from left (recessed)
+            shield_hole(shield_w/2-mt/2,-0.5,4,0,90); //right side
+            shield_hole(-shield_w/2+mt/2+172.5,-shield_h/2+mt/2,4.25,90,0); // bottom side, 1st one from right
+            shield_hole(-shield_w/2+mt/2+56.25,-shield_h/2+mt/2,4.25,90,0); //bottom side, 2nd one from right
+            shield_hole(-shield_w/2+mt/2+4.5,-shield_h/2+mt/2,4.25,90,0); //bottom side, 3rd one from right
+        }
+    }
+}
+// final interation: with fan-grills
+module shield_grill(){
+    difference(){
+        shield_2(); 
+        for(a=[0:m_grill_spacing*2:shield_w/2-mt*3-m_grill_offset*3]){
+        translate([-shield_w/2+mt*3+m_grill_offset+a,0,-shield_d/2+mt/2+q]){
+            hull(){
+                for (y=[-m_grill_h/2,m_grill_h/2]){
+                    rotate([0,0,-m_grill_skew])translate([0,y,0])cylinder(d=m_grill_w,h=2*mt,center=true);
+                }
+            }
+            translate([shield_w/2,0,0])hull(){
+                for (y=[-m_grill_h/2,m_grill_h/2]){
+                    rotate([0,0,-m_grill_skew])translate([0,y,0])cylinder(d=m_grill_w,h=2*mt,center=true);
+                }
+            }
+        }
+    }
+    }
+}
+// final iteration: with ports (manual placement)
+module shield_ports(){
+    difference(){
+        shield_2();
+        for (x=[-66,-39,-8,8,38.5,47.5,80]){
+            translate([x,0,-3*mt-q])rotate([0,0,90])#port_slot();
+        }        
+//flipped and embossed so that only 1mm of the plate thickness is left, due to the way, d-sub is mounted, and no support is needed for printing
+        translate([-78,-1,-mt-(mt-1)])rotate([180,0,-90])#port_vga();        
+        translate([-52.5,0,-3*mt-q])rotate([0,0,-90])#port_usb();        
+        translate([-23,-1,-3*mt-q])rotate([0,0,-90])#port_ethernet();
+        translate([22.5,-1,-3*mt-q])rotate([0,0,-90])#port_ethernet();
+        translate([63.5,-1,-3*mt-q])rotate([0,0,-90])#port_ethernet();
+        // slots
+    }
+}
+// #####################################
+// DRAWING:
+
+shield_grill();
+
+// shield_ports();
+
+
+
+
+
+
+
+