04/2026 updates

server_rack/scad/cm4-io-box.scad

@@ -0,0 +1,36 @@
+$fn=60;
+
+include <BOSL2/std.scad>
+
+// Dimesions of the CM4-IO board and enclosure
+CM4_WIDTH = 152; // mm
+CM4_HEIGHT = 70; // mm
+CM4_DEPTH = 36; // mm
+ENclosure_WIDTH = CM4_WIDTH + 8; // mm
+ENclosure_HEIGHT = CM4_HEIGHT + 10; // mm
+ENclosure_DEPTH = CM4_DEPTH + 20; // mm
+// CM4-IO placement and hole
+cm4_io_offset = CM4_HEIGHT/2 + 5; // offset from bottom of enclosure
+
+// Enclosure dimensions and hole positions
+enclosure = rect_tube(size=[ENclosure_WIDTH,ENclosure_DEPTH], h=ENclosure_HEIGHT, wall=5);
+
+holes = [
+    [[10, 10], [CM4_WIDTH-36, 10]], // Front holes for CM4-IO pins
+    [[2, ENclosure_HEIGHT - CM4_HEIGHT - 20], [ENclosure_WIDTH - 2, ENclosure_HEIGHT - CM4_HEIGHT - 20]] // Bottom hole for mounting
+];
+
+for (i = holes) {
+    translate(i[0][0], i[0][1], ENclosure_DEPTH - 5)
+        hole(r=3, d=5);
+}
+
+* cm4_io_placement = translate([cm4_io_offset,cm4_io_offset,0]) scale(1, -1, 1) rotate([0, 0, 90]) cm4_io;
+
+// Add CM4-IO and enclosure to the final model
+difference() {
+    enclosure;
+    for (i = cm4_io_placement.convex_hull.vertices) {
+        sphere(r=1, center=i);
+    }
+}

server_rack/scad/jetson_nano_board.scad

@@ -0,0 +1,7 @@
+include <BOSL2/std.scad>
+
+module jetson() {
+    color("green", alpha=.5) cuboid([104,91,10], rounding=3, edges=[FWD+RIGHT,FWD+LEFT,BACK+RIGHT,BACK+LEFT]);
+}
+
+*jetson();

server_rack/scad/jetson_nano_mount.scad

@@ -0,0 +1,36 @@
+$fn=60;
+
+include <BOSL2/std.scad>
+include <boltsos_0.4.1/BOLTS.scad>
+
+include <jetson_nano_board.scad>
+
+mini_l=180;
+nano_l=105;
+nano_w=92;
+frame_e=3;
+p_height=15;
+
+// holes_positions
+color("orange") {
+    translate([-51.5,-45,-frame_e]) zcyl(l=7, d=20, anchor=BOTTOM);
+    translate([-51.5,45,-frame_e]) zcyl(l=7, d=20, anchor=BOTTOM);
+    translate([51.5,45,-frame_e]) zcyl(l=7, d=20, anchor=BOTTOM);
+    translate([51.5,-45,-frame_e]) zcyl(l=7, d=20, anchor=BOTTOM);
+}
+
+ // base_plate
+    difference() {
+        union() {
+            cuboid([mini_l,mini_l,frame_e], rounding=3, edges=[FWD+RIGHT,FWD+LEFT,BACK+RIGHT,BACK+LEFT], anchor=[0,0,1]);
+            cuboid([nano_l+8,nano_w+8,frame_e+5], rounding=3, edges=[FWD+RIGHT,FWD+LEFT,BACK+RIGHT,BACK+LEFT], anchor=[0,0,-1]);
+            }
+            cuboid([nano_l,nano_w,p_height*2], rounding=3, edges=[FWD+RIGHT,FWD+LEFT,BACK+RIGHT,BACK+LEFT]);;
+            *cuboid([nano_l+2,nano_w+2,frame_e+1], rounding=3, edges=[FWD+RIGHT,FWD+LEFT,BACK+RIGHT,BACK+LEFT], anchor=[0,0,-1]);
+            *cuboid([nano_l-8,nano_w-8,frame_e*3], rounding=3, edges=[FWD+RIGHT,FWD+LEFT,BACK+RIGHT,BACK+LEFT]);
+            *cuboid([nano_l+12,nano_w-20,p_height], anchor=[0,0,-1]);
+            *cuboid([nano_l-20,nano_w+12,p_height], anchor=[0,0,-1]);
+    }
+
+
+translate([0,0,10]) jetson();

server_rack/scad/pcie_riser_mount.scad

@@ -0,0 +1,59 @@
+$fn=60;
+
+include <BOSL2/std.scad>
+include <nutsnbolts/cyl_head_bolt.scad>;
+
+base_length=100;
+base_width=20;
+base_height=15;
+
+module screw() {
+    nutcatch_parallel("M3", clh=0.1);
+	translate([0,0,23]) hole_through(name="M3", l=16, cld=0.1, h=10, hcld=0.4);
+	*nutcatch_sidecut("M3", l=20, clk=0.1, clh=0.1, clsl=0.1);
+}
+
+module pcie_mount() {
+    difference() {
+        union() {
+            // Base
+            cuboid([base_length,base_width,base_height], rounding=2, edges=[FWD+RIGHT,FWD+LEFT,BACK+RIGHT,BACK+LEFT], anchor=TOP);
+            translate([0,-10,-5]) cuboid([80,4,50], rounding=40, edges=[TOP+RIGHT,TOP+LEFT,], anchor=BOT+FRONT);
+            // Front support
+            *translate([-65,0,0]) cuboid([10,20,80.5], rounding=2, edges=[FWD+LEFT,BACK+LEFT, TOP+RIGHT], anchor=BOT+RIGHT);
+        }
+        // riser_screwholes
+        translate([29,-8,-7.25]) rotate([0,-90,-90]) screw();
+        translate([-29,-8,-7.25]) rotate([0,-90,-90]) screw();
+        // cage_screwholes
+        translate([0,-20,35]) rotate([0,-90,-90]) screw();
+        translate([0,-20,5]) rotate([0,-90,-90]) screw();
+        // riser_nest
+        cuboid([68,2,base_height], rounding=-1, edges=[TOP+RIGHT,TOP+LEFT,TOP+BACK,TOP+FRONT], anchor=TOP+FRONT);
+        translate([0,-3,0]) cuboid([44,14,base_height], rounding=-1, edges=[TOP+RIGHT,TOP+LEFT,TOP+FRONT], anchor=TOP+FRONT);
+    }
+}
+
+module riser() {
+    difference() {
+        union() {
+            cuboid([67.45,1.65,14.25], rounding=1, edges=[TOP+RIGHT,TOP+LEFT,BOT+RIGHT,BOT+LEFT], anchor=TOP);
+            cuboid([39,7.125,10.55], rounding=.5, anchor=BOT);
+            translate([0,0,-7.5]) cuboid([42,7,7.5], rounding=1, edges=[TOP+RIGHT,TOP+LEFT,BOT+RIGHT,BOT+LEFT], anchor=TOP);
+            }
+        translate([29,0,-7.25]) ycyl(l=5, d=3.25);
+        translate([-29,0,-7.25]) ycyl(l=5, d=3.25);
+    }
+}
+
+color("grey") translate([-63.2,0.825,2]) difference() {
+        cuboid([12.75,18.25,80], rounding=2, anchor=BOT+BACK+RIGHT);
+        translate([-1,2,-1]) cuboid([15,25,80], rounding=2, anchor=BOT+BACK+RIGHT); 
+}
+
+!color("cyan") translate([0,-8,0]) {
+    pcie_mount();
+    
+    }
+
+color("grey") translate([0,-7,0]) riser();