Collection

3D Printing/Panels/EurorackPanel.scad

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+
+panelThickness = 2;
+panelHp=6;
+holeCount=4;
+holeWidth = 5.08; //If you want wider holes for easier mounting. Otherwise set to any number lower than mountHoleDiameter. Can be passed in as parameter to eurorackPanel()
+
+walls=true;
+two_walls=false;
+wall_size=5;
+
+threeUHeight = 133.35; //overall 3u height
+panelOuterHeight =128.5;
+panelInnerHeight = 110; //rail clearance = ~11.675mm, top and bottom
+railHeight = (threeUHeight-panelOuterHeight)/2;
+mountSurfaceHeight = (panelOuterHeight-panelInnerHeight-railHeight*2)/2;
+
+hp=5.08;
+mountHoleDiameter = 3.2;
+mountHoleRad =mountHoleDiameter/2;
+hwCubeWidth = holeWidth-mountHoleDiameter;
+
+offsetToMountHoleCenterY=mountSurfaceHeight/2;
+offsetToMountHoleCenterX=hp;//1hp margin on each side
+
+echo(offsetToMountHoleCenterY);
+echo(offsetToMountHoleCenterX);
+
+module eurorackPanel(panelHp,  mountHoles=2, hw = holeWidth, ignoreMountHoles=false)
+{
+    //mountHoles ought to be even. Odd values are -=1
+    difference()
+    {
+        cube([hp*panelHp,panelOuterHeight,panelThickness]);
+        
+        if(!ignoreMountHoles)
+        {
+            eurorackMountHoles(panelHp, mountHoles, holeWidth);
+        }
+    }
+}
+
+module eurorackMountHoles(php, holes, hw)
+{
+    holes = holes-holes%2;//mountHoles ought to be even for the sake of code complexity. Odd values are -=1
+    eurorackMountHolesTopRow(php, hw, holes/2);
+    eurorackMountHolesBottomRow(php, hw, holes/2);
+}
+
+module eurorackMountHolesTopRow(php, hw, holes)
+{
+    
+    //topleft
+    translate([offsetToMountHoleCenterX,panelOuterHeight-offsetToMountHoleCenterY,0])
+    {
+        eurorackMountHole(hw);
+    }
+    if(holes>1)
+    {
+        translate([(hp*php)-hwCubeWidth-hp,panelOuterHeight-offsetToMountHoleCenterY,0])
+    {
+        eurorackMountHole(hw);
+    }
+    }
+    if(holes>2)
+    {
+        holeDivs = php*hp/(holes-1);
+        for (i =[1:holes-2])
+        {
+            translate([holeDivs*i,panelOuterHeight-offsetToMountHoleCenterY,0]){
+                eurorackMountHole(hw);
+            }
+        }
+    }
+}
+
+module eurorackMountHolesBottomRow(php, hw, holes)
+{
+    
+    //bottomRight
+    translate([(hp*php)-hwCubeWidth-hp,offsetToMountHoleCenterY,0])
+    {
+        eurorackMountHole(hw);
+    }
+    if(holes>1)
+    {
+        translate([offsetToMountHoleCenterX,offsetToMountHoleCenterY,0])
+    {
+        eurorackMountHole(hw);
+    }
+    }
+    if(holes>2)
+    {
+        holeDivs = php*hp/(holes-1);
+        for (i =[1:holes-2])
+        {
+            translate([holeDivs*i,offsetToMountHoleCenterY,0]){
+                eurorackMountHole(hw);
+            }
+        }
+    }
+}
+
+module eurorackMountHole(hw)
+{
+    
+    mountHoleDepth = panelThickness+2; //because diffs need to be larger than the object they are being diffed from for ideal BSP operations
+    
+    if(hwCubeWidth<0)
+    {
+        hwCubeWidth=0;
+    }
+    translate([0,0,-1]){
+    union()
+    {
+        cylinder(r=mountHoleRad, h=mountHoleDepth, $fn=20);
+        translate([0,-mountHoleRad,0]){
+        cube([hwCubeWidth, mountHoleDiameter, mountHoleDepth]);
+        }
+        translate([hwCubeWidth,0,0]){
+            cylinder(r=mountHoleRad, h=mountHoleDepth, $fn=20);
+            }
+    }
+}
+}
+
+eurorackPanel(panelHp, holeCount,holeWidth);
+if (walls) {
+    size = [2,panelOuterHeight-20,wall_size];
+
+    translate([0,10,1]){
+        cube(size);
+    }
+    
+    if (two_walls) {
+        translate([hp*panelHp-2,10,1]){
+            cube(size);
+        }
+    }
+}