Initial commit

OpenTools_Enclosures.scad

+// OpenTools_Enclosures.scad
+// OpenSCAD library for sensor / PCB enclosures
+// (C) 2017, Reinhold Kainhofer, Open Tools
+// office@open-tools.net, https://www.open-tools.net/
+// License: This work is licensed under a Creative Commons Attribution 4.0 International License.
+//
+// Features:
+// * roundedbox(dim, r): Rounded boxes
+// * pcbbox(dim, r, innerr, w, top, ridge): Rounded PCB enclosure, with bottom and top part (height given by top)
+// * pcbmount(type, pos, dia, len, innerdia, holedia, pcbthick, screwdia): PCB mount (type="screw"/"clip"/
+// * pcbscrew(pos, dia, innerdia, len): Screw mount inside the box to screw a PCB to the enclosure
+// * pcbstackon(pos, dia, len, holedia, pcbthick): Stack-on mount inside the screw to hold a PCB
+// * boxscrew(pos, dia, innerdia, screwdia, len): Screw holder to screw the top and bottom parts of the enclosure together
+// * boxcutout(...): Cut out parts of the box
+
+$fn=25;
+
+module roundedbox(dim, r=2) {
+  minkowski() { // rounded corners
+    translate([r,r,r]) cube(dim-[2*r, 2*r, 2*r]);
+    sphere(r);
+  };
+}
+
+
+module pcbbox(dim, r=2, innerr=0, w=2, top=10, ridge=2, ridgeratio=1/3) {
+  offset = [0, dim[1]+10, 0];
+    
+  difference() { // Cut out interior
+    union() {
+      difference() {
+        roundedbox(dim, r);
+        translate([-1,-1,dim[2]-top]) cube(dim+[2,2,0]); // Cut off top
+      };
+      
+      difference() {
+        translate((1-ridgeratio)*[w, w, w]) roundedbox(dim-2*(1-ridgeratio)*[w, w, w], ridgeratio*r);
+        translate([-1,-1,dim[2]-top+ridge]) cube(dim+[2,2,0]); // Cut off top of ridge
+      }
+    };
+    translate([w, w, w]) roundedbox(dim-2*w*[1,1,1], innerr); // Cut out interior
+  }
+  
+  difference() { // Cut off top
+    translate(offset) {
+      difference() {
+        roundedbox(dim, r);
+        translate([-1,-1,top]) cube(dim+[2,2,0]);
+      }
+    };
+
+    difference() {
+      translate(offset + (1-ridgeratio)*[w, w, w]) roundedbox(dim-2*(1-ridgeratio)*[w, w, w], ridgeratio*r);
+      translate(offset + [-1,-1,-dim[2]+top-ridge]) cube(dim+[2,2,0]); // Cut off top of ridge
+    };
+    translate(offset + [w, w, w]) roundedbox(dim-2*[w, w, w], innerr); // Cut out interior
+  }
+}
+
+module pcbmount(type="screw", pos, dia=2, innerdia=1, len=10, w=2, pcbthick=2) {
+  translate([pos[0], pos[1], w]) difference() {
+    if (type=="screw") {
+      difference() {
+        cylinder(h=len, d=dia);
+        cylinder(h=len+0.01, d=innerdia);
+      }
+    } else if (type=="clip") {
+      
+    } else if (type=="stack") {
+      cylinder(h=len, d=dia);
+      cylinder(h=len+pcbthick, d=innerdia);
+    } else {
+      echo ("Unknown pcbmount ", type=type, " ignoring call.");
+    }
+  }
+}
+
+//module pcbspacer(axis="x", pos, l, l1, l2, h, h1, h2, w=0.5) {
+module pcbspacer(axis="x", pos, l, h, w=0.5, boxw=2, dim) {
+  if (axis=="x") {
+    if (l>0) {
+      translate([pos-w/2, boxw, boxw]) cube([w, l, h]);
+    } else {
+      translate([pos-w/2, dim[1]-boxw+l, boxw]) cube([w, -l, h]);
+    }
+  } else if (axis=="y") {
+    if (l>0) {
+      translate([boxw, pos-w/2, boxw]) cube([l, w, h]);
+    } else {
+      translate([dim[0]-boxw+l, pos-w/2, boxw]) cube([-l, w, h]);
+    }
+  } else if (axis=="z") {
+    echo ("pcbspacer with axis=z not yet implemented...");
+  } else {
+      echo ("Unknown pcbspacer axis ", axis, " ignoring call.");
+  }
+}
+
+module pcbspacersym(axis="x", pos, l, h, w=0.5, boxw=2, dim) {
+  union() {
+    pcbspacer(axis, pos, l, h, w, boxw, dim);
+    pcbspacer(axis, pos, -l, h, w, boxw, dim);
+  }
+}  
+module pcbspacerl(axis="x", pos, l1, l2, h1, h2, w=0.5, boxw=2, dim) {
+  union() {
+    pcbspacer(axis, pos, l1, h2, w, boxw, dim);
+    pcbspacer(axis, pos, l2, h1, w, boxw, dim);
+  }
+}  
+module pcbspacerlsym(axis="x", pos, l1, l2, h1, h2, w=0.5, boxw=2, dim) {
+  union() {
+    pcbspacer(axis, pos, l1, h2, w, boxw, dim);
+    pcbspacer(axis, pos, l2, h1, w, boxw, dim);
+    pcbspacer(axis, pos, -l1, h2, w, boxw, dim);
+    pcbspacer(axis, pos, -l2, h1, w, boxw, dim);
+  }
+}  
+            
+        
+
+difference() {
+  union() {
+    pcbbox(dim=[50,30,30], r=2, innerr=0.3, w=2, top=25);
+    pcbmount(pos=[10, 20], dia=3 , innerdia=1, len=3, w=2);
+    pcbmount(pos=[40, 20], dia=5, innerdia=2, len=3, w=2);
+    pcbmount(type="stack", pos=[10, 10], dia=5, innerdia=3, len=3, w=2);
+    pcbmount(pos=[20, 20], dia=3, innerdia=1, len=5, w=2);
+    pcbmount(type="stack", pos=[30, 20], dia=3, innerdia=1, len=5, w=2, pcbthick=2);
+    pcbmount(type="something", pos=[30, 20], dia=3, innerdia=1, len=5, w=2, pcbthick=2);
+    pcbspacerl(axis="x", pos=15, l1=3, l2=1, h1=5, h2=3, 
+//    pcbspacer(axis="x", pos=15, l=3, h=3, w=0.5, boxw=2, dim=[50,30,30]);
+//    pcbspacer(axis="x", pos=15, l=1, h=5, w=0.5, boxw=2, dim=[50,30,30]);
+//    pcbspacer(axis="x", pos=15, l=-2, h=3, w=0.5, boxw=2, dim=[50,30,30]);
+//    pcbspacer(axis="x", pos=35, l=2, h=3, w=0.5, boxw=2, dim=[50,30,30]);
+//    pcbspacer(axis="y", pos=5, l=2, h=3, w=0.5, boxw=2, dim=[50,30,30]);
+//    pcbspacer(axis="y", pos=5, l=-2, h=3, w=0.5, boxw=2, dim=[50,30,30]);
+    pcbspacersym(axis="y", pos=25, l=2, h=3, w=0.5, boxw=2, dim=[50,30,30]);
+  };
+  
+};
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