previously untracked scad files

hardware/3D_printing/holder.scad

@@ -0,0 +1,118 @@
+
+sdr_width=103;
+sdr_height=71.5;
+sdr_depth=26;
+
+base=2; // w and d
+base_h=5;
+
+offset=10;
+
+strap_w=30;
+strap_h=2;
+stack_width=sdr_width/4-offset/2;
+tol=0.05;
+
+hook_out=5;
+hook_in=2.5;
+
+array_width=148;
+array_height=110;
+array_depth=30;
+
+array_screw_hole_width1=1.75; //r screw
+array_screw_hole_width2=2; //r screw
+
+poe_screw_hole_width1=1.3; //r screw
+poe_screw_hole_width2=1.7; //r screw
+
+array_hole_out=18;
+array_hole_in=7;
+
+
+module hollow_cylinder(out,in,height) {
+    difference() {
+        //cylinder(height,out,out);
+        translate([-out,-out,0]) cube([out*2,out*2,height]);
+        cylinder(height,in,in);
+    }
+}
+module sdr_box() {
+    cube([sdr_width+base*2, sdr_height+base_h*2, sdr_depth+base]);
+
+    translate([sdr_width/2-stack_width/2+base,-strap_h/2+base_h/2,base]) cube([stack_width,strap_h,sdr_depth+offset/4]);
+
+    translate([sdr_width/2-stack_width/2+base,base_h+base_h/2-strap_h/2+sdr_height,base]) cube([stack_width,strap_h,sdr_depth+offset/4]);
+}
+
+module sdr_cutout() {
+            //base
+            translate([base,base_h,base]) difference() {
+                union() {
+                    cube([sdr_width, sdr_height, sdr_depth]);
+                    translate([-base*2,offset/2,0]) cube([sdr_width+base*4, sdr_height-offset, sdr_depth]);
+                }
+            }
+
+            //velcro straps
+            for (i = [1,3]) {
+                    translate([i*(sdr_width+base*2)/4-strap_w/2,base_h/2-strap_h/2,-offset/2]) cube([strap_w,strap_h,sdr_depth+base+offset]);
+                    translate([i*(sdr_width+base*2)/4-strap_w/2,base_h+base_h/2-strap_h/2+sdr_height,-offset/2]) cube([strap_w,strap_h,sdr_depth+base+offset]);
+
+            }
+
+
+        translate([sdr_width/2-stack_width/2+base-tol,-strap_h/2+base_h/2-tol,0]) cube([stack_width+tol*2,strap_h+tol*2,offset]);
+
+        translate([sdr_width/2-stack_width/2+base-tol,base_h+base_h/2-strap_h/2+sdr_height-tol,0]) cube([stack_width+tol*2,strap_h+tol*2,offset]);
+}
+
+
+module ziptie_points(height,depth) {
+    translate([hook_out,-hook_out]) hollow_cylinder(hook_out,hook_in,height=depth);
+    translate([sdr_width+base*2-hook_out,-hook_out]) hollow_cylinder(hook_out,hook_in,height=depth);
+    //height=sdr_height+base_h*2;
+    translate([hook_out*3,hook_out+height]) hollow_cylinder(hook_out,hook_in,height=depth);
+    translate([sdr_width+base*2-3*hook_out,hook_out+height]) hollow_cylinder(hook_out,hook_in,height=depth);
+}
+
+module sdr_unit() {
+    difference() {
+        sdr_box();
+        sdr_cutout();
+    }
+    ziptie_points(height=sdr_height+base_h*2, depth=sdr_depth+base);
+}
+
+
+
+module holes(xp,yp,r1,r2) {
+    for (y = [xp/2,-xp/2]) {
+        for (x=[yp/2, -yp/2]) {
+            translate([x,y,-1]) cylinder(h=array_depth+2,r1=r1,r2=r2);
+        }
+    }
+}
+
+module array_mount() {
+    difference() {
+        union() {
+            cube([array_width,array_height,array_depth]); 
+            translate([(array_width-sdr_width)/2,0,0]) ziptie_points(height=array_height,depth=array_depth);
+            translate([array_width/2,array_height+10]) hollow_cylinder(array_hole_out,array_hole_in,array_depth);
+        }
+        translate([array_width/2,array_height/2+10]) holes(51.6,86.2,array_screw_hole_width1,array_screw_hole_width2); //antenna mount
+        translate([array_width/2,array_height/2]) holes(61.6,134.7,poe_screw_hole_width1,poe_screw_hole_width2); //poe
+
+        translate([0,10,array_depth/2]) cube([array_width,array_height*2,array_depth/2]);
+    }
+
+}
+
+//sdr_unit();
+
+
+array_mount();
+
+
+