Simplified cover for centered logo

cad/display-cover.scad

@@ -0,0 +1,53 @@
+$fn=32*2;
+thickness=1.6;
+width=208.2;
+depth=70.2;
+height=10;
+
+// cover
+difference(){
+  translate([0, 0, 0])
+    chamferCube(width+(thickness*2), depth+(thickness*2), height+thickness, 8, [0, 0, 1, 1], [0, 1, 1, 0], [0, 0, 0, 0]);
+    
+  translate([thickness, thickness, 0])
+    chamferCube(width, depth, height, 8, [0, 0, 1, 1], [0, 1, 1, 0], [0, 0, 0, 0]);
+    
+  translate([(width+(thickness*2))/2, (depth+(thickness*2))/2, height])
+    cylinder(h=thickness, d=41.5);
+}
+
+// logo
+translate([(width+(thickness*2))/2, (depth+(thickness*2))/2, height])
+  linear_extrude(height=1.6)
+    resize([42, 42, 0])
+      import(file="mk-logo.svg", center=true);
+
+module chamferCube(sizeX, sizeY, sizeZ, chamferHeight, chamferX, chamferY, chamferZ) {
+  chamferX = (chamferX == undef) ? [1, 1, 1, 1] : chamferX;
+  chamferY = (chamferY == undef) ? [1, 1, 1, 1] : chamferY;
+  chamferZ = (chamferZ == undef) ? [1, 1, 1, 1] : chamferZ;
+  chamferCLength = sqrt(chamferHeight * chamferHeight * 2);
+
+  difference() {
+    cube([sizeX, sizeY, sizeZ]);
+    for(x = [0 : 3]) {
+      chamferSide1 = min(x, 1) - floor(x / 3); // 0 1 1 0
+      chamferSide2 = floor(x / 2); // 0 0 1 1
+      if(chamferX[x]) {
+        translate([-0.1, chamferSide1 * sizeY, -chamferHeight + chamferSide2 * sizeZ])
+          rotate([45, 0, 0])
+            cube([sizeX + 0.2, chamferCLength, chamferCLength]);
+      }
+      if(chamferY[x]) {
+        translate([-chamferHeight + chamferSide2 * sizeX, -0.1, chamferSide1 * sizeZ])
+          rotate([0, 45, 0])
+            cube([chamferCLength, sizeY + 0.2, chamferCLength]);
+      }
+      if(chamferZ[x]) {
+        translate([chamferSide1 * sizeX, -chamferHeight + chamferSide2 * sizeY, -0.1])
+          rotate([0, 0, 45])
+            cube([chamferCLength, chamferCLength, sizeZ + 0.2]);
+      }
+    }
+  }
+}

cad/display-frame.scad

@@ -0,0 +1,241 @@
+$fn=32*2;
+thickness=1.6;
+width=208.2;
+depth=70.2;
+height=8;
+
+display_frame();
+module display_frame(){
+  difference(){
+    // main frame
+    translate([0, 0, 0])
+      cube([width+(thickness*2), depth+(thickness*2), height+20]);
+    translate([thickness, thickness, 0])
+      cube([width, depth, height+20]);
+    
+    // hdmi gap
+    translate([thickness+95, depth+thickness, height])
+      cube([25, 0.8, 17]);
+    
+    // usb cutouts
+    translate([0, 47.5, height+thickness+8.5])
+      cube([thickness, 14, 6.5]);
+    
+    translate([0.8, 46.5, height+thickness])
+      cube([thickness, 16, 8]);
+    
+    // usb-c
+    translate([0, 35, height+thickness+8])
+      hull(){
+        translate([0, 0, 2])
+          rotate([0, 90, 0])
+            cylinder(h=thickness, d=4);
+        cube([thickness, 7, 4]);
+        translate([0, 7, 2])
+          rotate([0, 90, 0])
+            cylinder(h=thickness, d=4);
+      }
+      
+    // micro usb
+    translate([0, 22.5, height+thickness+8])
+      cube([thickness, 8, 3.5]);
+      
+    // data cables
+    translate([(width+(thickness*2))/2-25, 0, 19])
+      rotate([-90, 0, 0])
+        cylinder(h=thickness, d=3.5);
+      
+    translate([(width+(thickness*2))/2+25, 0, 19])
+      rotate([-90, 0, 0])
+        cylinder(h=thickness, d=3.5);
+      
+    // lid mounting holes
+    translate([thickness+30, 0, 23])
+      rotate([-90, 0, 0])
+        cylinder(h=depth+(thickness*2), d=2);
+      
+    translate([width+thickness-30, 0, 23])
+      rotate([-90, 0, 0])
+        cylinder(h=depth+(thickness*2), d=2);
+  }
+  
+  // inner display catch
+  translate([thickness, thickness, 1.5]){
+    padding=5;
+    ledge=0.8;
+    difference(){
+      translate([padding, 0, 0])
+        cube([width-(padding*2), depth, thickness]);
+      translate([0, ledge, 0])
+        cube([width, depth-(ledge*2), thickness]);
+    }
+    
+    // hinge support
+    translate([5, -0.6, 0])
+      cube([width-10, thickness, 15]);
+  }
+  
+  // usb compartment
+  translate([0, 0, 0])
+    usb_compartment();
+
+  // battery compartment
+  translate([146.6, 0, 0])
+    battery_compartment();
+
+  // display hinge
+  translate([(width+thickness*2)/2, -9, 6.57])
+    rotate([90, 270, 0])
+      male_hinge();
+}
+
+module usb_compartment(){
+  usb_width=41;
+  usb_height=4;
+  hole=6;
+  hole_x=36+thickness;
+  hole_y=5.6+thickness;
+
+  difference(){
+    translate([0, 0, height])
+      cube([usb_width+thickness, depth+(thickness*2), usb_height+thickness]);
+
+    translate([0, thickness, height+thickness])
+      cube([30, depth, usb_height]);
+    
+    translate([30+thickness, thickness, height])
+      cube([11, depth, usb_height]);
+    
+    translate([hole_x, hole_y-0.5, height+usb_height])
+      cylinder(h=thickness, d=hole);
+
+    translate([hole_x-0.5, depth+(thickness*2)-hole_y, height+usb_height])
+      cylinder(h=thickness, d=hole);
+  }
+  
+  // pcb mount
+  translate([thickness+12, 12, height+thickness])
+    difference(){
+      cylinder(h=7, d=4);
+      cylinder(h=7, d=1.6);
+    }
+  
+  translate([thickness+7, 30.8, height+thickness])
+    difference(){
+      cylinder(h=7, d=4);
+      cylinder(h=7, d=1.6);
+    }
+  
+  translate([thickness+11.8, 42.8, height+thickness])
+    difference(){
+      cylinder(h=7, d=4);
+      cylinder(h=7, d=1.6);
+    }
+  
+  translate([thickness+10.5, 7.1, height+thickness])
+    cube([3, thickness, 10]);
+    
+  translate([thickness+11.25, 5.1, height+thickness])
+    cube([thickness, 3, 10]);
+  
+  translate([thickness+10.5, 62.1, height+thickness])
+    cube([3, thickness, 10]);
+    
+  translate([thickness+11.25, 62.6, height+thickness])
+    cube([thickness, 3, 10]);
+  
+  // screw mount
+  translate([hole_x, hole_y-0.5, height+4+thickness]){
+    difference(){
+       cylinder(h=1.6, d=10);
+       cylinder(h=1.6, d=2.5);
+    }
+  }
+  
+  translate([hole_x-0.5, depth+(thickness*2)-hole_y, height+4+thickness]){
+    difference(){
+       cylinder(h=1.6, d=10);
+       cylinder(h=1.6, d=2.5);
+    }
+  }
+}
+
+module battery_compartment(){
+    battery_width=63.2;
+    battery_height=4;
+    hole=6;
+    hole_x=5;
+    hole_y=5.6+thickness;
+
+    difference(){
+      translate([0, 0, height])
+        cube([battery_width+thickness, depth+(thickness*2), battery_height+thickness]);
+
+      translate([0, thickness, height])
+        cube([battery_width, depth, battery_height]);
+
+      translate([hole_x, hole_y-0.5, height+4])
+        cylinder(h=thickness, d=hole);
+
+      translate([hole_x, depth+(thickness*2)-hole_y, height+battery_height])
+        cylinder(h=thickness, d=hole);
+    }
+    
+    // battery stop
+    translate([-1.2, (depth+(thickness*2))/2-5, height+battery_height])
+      cube([thickness, 10, 16]);
+    
+    // screw mount
+    translate([hole_x, hole_y-0.5, height+4+thickness]){
+      difference(){
+         cylinder(h=1.6, d=10);
+         cylinder(h=1.6, d=2.5);
+      }
+    }
+    
+    translate([hole_x, depth+(thickness*2)-hole_y, height+4+thickness]){
+      difference(){
+         cylinder(h=1.6, d=10);
+         cylinder(h=1.6, d=2.5);
+      }
+    }
+}
+
+module tab(length, thickness){
+  difference(){
+    union(){
+      translate([0,0,-5])
+        cube([length, thickness, 10], center=true);
+
+        rotate([90,0,0])
+          cylinder(h=thickness, d=length, center=true);
+      }
+
+      rotate([90,0,0])
+        cylinder(h=20, d=5, center=true);
+    }
+}
+
+module male_hinge(){
+  th=2.90;  //Thickness of solid tabs
+  sp=3.10;  //Width of seperation gap
+  w=20.94;  //Width of base
+  l=13.14;  //length of base
+
+  translate([0, 0, -10+th/2]){
+    hull(){
+      cube([l, w, th], center=true);
+
+      translate([-l/2, -w/2-4, -2])
+        cube([l+4, w+8, 0.1]);
+    }
+  }
+
+  //generating 3 tabs with sp spacing
+  translate([0, -sp*2, 0])
+    tab(l, th);
+  translate([0, sp*2, 0])
+    tab(l, th);
+  translate([0, 0, 0])
+    tab(l, th);
+}

cad/display.scad

@@ -1,101 +0,0 @@
-$fn=32*2;
-
-thinkness=1.6;
-width=208.5;
-depth=70.5;
-height=8;
-
-// outer display frame
-difference(){
-  cube([width+(thinkness*2), depth+(thinkness*2), height]);
-  translate([thinkness, thinkness, 0])
-    cube([width, depth, height]);
-}
-
-// inner display catch
-translate([thinkness, thinkness, 1.5]){
-  offset=5;
-  ledge=0.8;
-  difference(){
-    translate([offset, 0, 0])
-      cube([width-(offset*2), depth, thinkness]);
-    translate([0, ledge, 0])
-      cube([width, depth-(ledge*2), thinkness]);
-  }
-}
-
-// usb floor
-usb_floor();
-
-// battery floor
-battery_floor(145);
-
-// raspberry pi 4 cover
-rpi4_cover();
-
-module usb_floor(){
-  offset=5.6+thinkness;
-  hole=6;
-
-  difference([]){
-    translate([0, 0, height])
-      cube([31+thinkness+10, depth+(thinkness*2), 2+thinkness]);
-
-    translate([0, 0, height+thinkness])
-      cube([31, depth+(thinkness*2), 2+thinkness]);
-
-    translate([31+thinkness, thinkness, height])
-      cube([10, depth, 2]);
-
-    translate([31+thinkness+5, offset, height+2])
-      cylinder(h=thinkness, d=hole);
-
-    translate([31+thinkness+5, depth+(thinkness*2)-offset, height+2])
-      cylinder(h=thinkness, d=hole);
-  }
-}
-
-module battery_floor(x){
-    offset=5.6+thinkness;
-    hole=6;
-
-    difference(){
-      translate([x+thinkness, 0, height])
-        cube([width-x+thinkness, depth+(thinkness*2), 4+thinkness]);
-
-      translate([x+thinkness, thinkness, height])
-        cube([width-x, depth, 4]);
-
-      translate([x+thinkness+5, offset, height+4])
-        cylinder(h=thinkness, d=hole);
-
-      translate([x+thinkness+5, depth+(thinkness*2)-offset, height+4])
-        cylinder(h=thinkness, d=hole);
-    }
-}
-
-module rpi4_cover(){
-    difference(){
-      translate([31+thinkness+10, 0, height])
-        cube([104, depth+(thinkness*2), 25+thinkness]);
-
-      translate([31+thinkness+10, thinkness, height])
-        cube([104, depth, 25]);
-
-      translate([31+thinkness+62, (depth+(thinkness*2))/2, height+25])
-        cylinder(h=thinkness, d=42);
-    }
-
-    translate([17+thinkness, 0, height+2.6])
-      #prism(24, thinkness, 24);
-
-    // MK Logo
-    translate([31+thinkness+62, (depth+(thinkness*2))/2, height+25])
-      import("mk-logo.stl");
-}
-
-module prism(l, w, h){
-  polyhedron(
-    points=[[0,w,0], [0,0,0], [l,0,0], [l,w,0], [l,w,h], [l,0,h]],
-    faces=[[0,1,2,3],[5,4,3,2],[0,4,5,1],[0,3,4],[5,2,1]]);
-}

cad/mk-logo.svg

@@ -0,0 +1,102 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20010904//EN"
+ "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
+<svg version="1.0" xmlns="http://www.w3.org/2000/svg"
+ width="2051.000000pt" height="2051.000000pt" viewBox="0 0 2051.000000 2051.000000"
+ preserveAspectRatio="xMidYMid meet">
+<g transform="translate(0.000000,2051.000000) scale(0.100000,-0.100000)"
+fill="#000000" stroke="none">
+<path d="M9705 20489 c-1420 -81 -2760 -436 -4013 -1063 -1991 -996 -3611
+-2615 -4606 -4603 -845 -1689 -1199 -3544 -1041 -5448 106 -1266 462 -2530
+1039 -3683 802 -1602 2008 -2968 3498 -3963 1334 -890 2818 -1443 4403 -1643
+683 -86 1438 -100 2150 -41 3076 256 5913 1940 7646 4537 922 1382 1487 2939
+1663 4578 66 611 74 1352 21 1980 -260 3075 -1943 5911 -4531 7637 -405 269
+-734 459 -1164 672 -1252 620 -2572 963 -4004 1041 -212 12 -847 11 -1061 -1z
+m1045 -920 c2156 -119 4169 -962 5772 -2418 174 -159 517 -502 665 -667 770
+-859 1369 -1837 1783 -2913 546 -1419 731 -2979 534 -4511 -183 -1433 -703
+-2803 -1522 -4015 -132 -196 -355 -497 -497 -670 -111 -136 -363 -425 -371
+-425 -2 0 3 17 12 38 51 120 169 415 208 521 197 528 254 1090 165 1635 -81
+499 -302 1046 -600 1481 -412 604 -1182 1305 -1837 1674 -538 302 -1315 462
+-2247 461 -376 0 -545 -12 -1235 -85 -1244 -133 -1596 -159 -2165 -159 -585 1
+-909 39 -1230 146 -588 196 -1098 626 -1340 1130 -100 209 -137 394 -138 678
+0 198 22 357 74 534 37 122 113 286 173 371 80 111 74 141 -47 237 -131 102
+-211 222 -264 395 -25 83 -27 100 -27 288 -1 210 13 340 56 515 31 128 46 162
+72 158 25 -4 27 -33 7 -178 -26 -200 22 -492 134 -820 106 -307 219 -445 460
+-561 287 -138 710 -168 1175 -83 290 53 453 116 1000 384 223 109 446 213 495
+231 82 29 100 32 205 32 254 0 628 -126 1150 -387 669 -334 893 -508 1434
+-1111 381 -424 572 -580 806 -659 103 -34 186 -46 337 -47 174 -2 242 -11 535
+-68 413 -81 720 -118 911 -108 62 3 128 11 147 18 56 19 158 91 255 180 131
+119 213 186 253 205 104 49 147 -71 257 -727 96 -570 152 -813 261 -1131 171
+-499 423 -918 766 -1274 234 -243 456 -385 707 -452 83 -22 118 -25 261 -26
+186 -1 227 8 364 75 146 73 278 182 405 335 74 89 151 207 151 230 0 39 -61
+22 -250 -66 -232 -109 -388 -144 -640 -144 -186 0 -261 13 -370 66 -130 63
+-288 254 -307 370 -13 83 36 87 282 23 206 -53 325 -64 490 -45 416 47 701
+234 878 577 131 253 182 568 128 778 -73 279 -296 526 -540 599 -103 30 -180
+17 -207 -36 -24 -46 -9 -71 79 -134 234 -167 281 -256 281 -529 -1 -165 -17
+-281 -60 -416 -76 -243 -194 -354 -449 -420 -80 -21 -112 -24 -285 -24 -168 0
+-207 4 -283 23 -203 51 -322 116 -452 246 -252 254 -431 628 -575 1201 -96
+381 -196 667 -349 991 -189 402 -267 508 -548 746 -177 150 -197 172 -182 200
+27 51 146 61 331 29 59 -10 129 -29 155 -42 119 -58 208 -201 228 -369 13
+-104 42 -119 152 -79 69 26 121 76 157 152 34 72 46 129 56 265 11 140 26 185
+95 292 l56 85 -3 155 -3 155 69 115 c84 139 110 202 101 247 -3 18 -40 83 -81
+145 -41 61 -73 119 -72 127 3 13 25 17 118 22 146 8 136 6 154 25 52 51 -23
+253 -162 439 -181 242 -320 360 -494 423 -59 21 -92 26 -168 26 -108 1 -126
+-6 -272 -109 -99 -69 -135 -79 -273 -72 -183 8 -357 78 -565 228 -238 171
+-334 227 -460 267 -96 31 -166 40 -350 47 -290 10 -435 58 -623 202 -87 67
+-489 455 -531 512 -47 63 -66 111 -66 161 0 134 155 216 480 254 144 17 173
+29 190 82 14 43 6 94 -32 204 -73 208 -158 344 -315 504 -223 226 -503 404
+-719 458 -79 19 -110 21 -274 18 -310 -6 -344 -5 -387 17 -50 26 -93 91 -138
+210 -65 175 -130 297 -180 341 -80 70 -217 111 -440 131 -55 5 -365 9 -690 9
+-571 0 -686 4 -814 33 -66 15 -147 56 -176 90 -52 63 -46 111 31 240 88 145
+92 179 18 179 -55 0 -136 -30 -213 -80 -86 -56 -223 -191 -279 -274 -90 -137
+-187 -216 -265 -216 -24 0 -31 8 -65 83 -65 140 -111 165 -357 192 -534 61
+-897 261 -986 545 -27 84 -29 238 -6 330 51 195 191 360 392 460 140 70 231
+93 380 94 219 2 320 -47 526 -256 75 -76 141 -138 147 -138 57 0 35 216 -43
+424 -20 54 -35 99 -33 101 9 9 491 50 678 58 161 7 761 4 910 -4z m-3667 -589
+c-8 -61 16 -253 47 -375 101 -391 189 -500 589 -728 86 -49 166 -98 179 -110
+31 -29 24 -58 -18 -80 -30 -15 -52 -18 -145 -14 -90 4 -131 12 -225 41 -256
+81 -477 129 -785 171 -463 64 -700 138 -751 237 -36 69 -3 159 96 258 80 81
+160 135 265 177 138 56 228 42 401 -62 100 -61 138 -69 155 -31 32 69 -102
+297 -213 364 -16 9 -28 19 -28 23 0 3 24 15 53 27 305 119 364 142 374 142 7
+0 9 -13 6 -40z m-1673 -857 c6 -49 20 -124 31 -168 56 -231 166 -316 603 -464
+261 -89 367 -111 564 -118 83 -3 152 -9 152 -14 0 -4 -14 -19 -31 -34 -120
+-100 -308 -130 -1179 -185 -324 -20 -360 -24 -501 -60 -344 -88 -728 -334
+-1069 -686 -203 -210 -344 -391 -601 -776 -193 -289 -274 -396 -340 -448 -120
+-95 -204 -57 -343 154 -90 137 -98 144 -130 123 -67 -45 -116 -243 -99 -407
+17 -167 63 -241 239 -381 125 -100 144 -123 144 -174 0 -71 -39 -124 -266
+-355 -206 -211 -277 -316 -368 -547 -63 -161 -124 -425 -155 -668 -34 -260
+-36 -320 -36 -1210 -1 -932 -2 -972 -46 -1325 -78 -627 -249 -1070 -457 -1183
+-55 -30 -142 -52 -247 -62 -84 -8 -122 -26 -131 -61 -15 -60 117 -244 224
+-313 125 -80 303 -122 512 -123 315 0 441 66 652 346 112 149 137 176 160 176
+26 0 41 -36 132 -314 46 -138 107 -307 136 -376 168 -401 452 -852 879 -1400
+135 -172 177 -244 168 -289 -3 -16 -24 -56 -46 -90 -57 -89 -66 -137 -65 -336
+2 -210 16 -399 51 -665 34 -271 36 -448 6 -545 -26 -81 -67 -136 -126 -168
+-38 -20 -56 -22 -182 -22 -132 1 -150 4 -332 48 -204 51 -233 52 -260 11 -14
+-21 -13 -28 1 -70 50 -147 284 -369 473 -448 138 -58 206 -71 373 -71 133 0
+165 3 226 22 256 81 447 372 505 770 32 223 65 340 125 439 78 130 158 180
+279 172 122 -9 225 -77 304 -202 96 -152 139 -309 166 -598 18 -194 29 -240
+112 -448 51 -127 67 -180 71 -231 6 -87 -10 -120 -102 -202 -41 -37 -77 -78
+-80 -92 -9 -37 18 -93 51 -106 93 -36 287 70 374 204 53 82 89 180 149 407 58
+218 77 263 120 285 58 30 108 19 280 -59 124 -57 210 -78 525 -126 322 -50
+442 -72 620 -115 540 -130 843 -347 926 -662 27 -101 29 -278 4 -378 -104
+-431 -583 -671 -1465 -735 -900 -65 -2208 194 -3015 598 -212 106 -227 117
+-466 359 -329 335 -540 579 -817 948 -761 1015 -1307 2168 -1601 3385 -135
+559 -214 1091 -251 1690 -13 222 -5 992 14 1210 74 877 237 1646 511 2410 569
+1589 1540 2972 2855 4070 170 142 522 406 705 530 116 78 366 240 371 240 1 0
+7 -39 14 -87z m5379 -1973 c197 -40 322 -99 571 -267 69 -47 202 -130 295
+-186 94 -55 196 -118 228 -139 61 -41 74 -71 35 -82 -66 -17 -323 5 -568 50
+-171 31 -345 77 -585 154 -241 77 -333 90 -466 68 -52 -9 -130 -24 -174 -34
+-97 -21 -146 -14 -187 26 -35 36 -37 76 -4 145 60 130 233 242 431 281 93 18
+294 11 424 -16z m771 -1768 c464 -124 920 -417 1683 -1084 838 -731 1178 -933
+1654 -983 93 -10 94 -11 105 -161 14 -187 7 -783 -10 -811 -11 -20 -21 -23
+-76 -23 -115 0 -374 52 -579 116 -225 71 -559 222 -777 354 -130 77 -403 264
+-885 605 -634 448 -859 599 -1116 753 -196 116 -315 173 -559 269 -118 46
+-285 111 -370 145 -200 78 -369 159 -399 191 -30 33 -24 57 34 134 120 160
+360 341 576 434 177 77 287 99 469 95 112 -3 154 -9 250 -34z m3286 -532 c214
+-51 337 -126 320 -195 -8 -32 -56 -56 -181 -89 -60 -16 -158 -55 -247 -98
+-209 -100 -269 -98 -327 15 -52 102 -37 198 43 284 94 99 216 126 392 83z
+m796 -2071 c156 -52 268 -172 268 -286 0 -59 -32 -118 -80 -151 -30 -21 -44
+-23 -101 -19 -86 5 -153 41 -240 127 -107 106 -143 211 -97 280 47 70 136 88
+250 49z"/>
+</g>
+</svg>