add rack-mount build directory, add stack mount stls, and some general fixes

TODO.md

@@ -3,7 +3,7 @@
 ### Actual TODO
 
 - Finish refactoring files to use the application style, like in `yBar.scad` 
-- Implement better build script using python
+- Implement better build script using python !!!
 - Start working on actual cases
 - Figure out why sidewall build is so slow
 

helper/halfspace.scad

@@ -1,10 +1,7 @@
-
-// Wake up sheeple. Halfspaces are just really BIG cubes!
-include <./math.scad>
 include <./common.scad>
 
 module halfspace(vpos, p) {
-    // TODO: clean up
+
     ref = [0,0,-1];
 
     if (cross(ref, vpos) == [0,0,0]) {
@@ -17,4 +14,12 @@ module halfspace(vpos, p) {
         translate(v = [0, 0, -inf/2])
         cube(size = [inf, inf, inf], center = true);
     }
+
+    module align(a,b) {
+        rot_axis = cross(a,b);
+        angle = acos(a*b/(norm(a)*norm(b)));
+
+        rotate(v=rot_axis, a=angle)
+        children(0);
+    }
 }

helper/math.scad

@@ -23,18 +23,3 @@ module mirror4XY(p, dx, dy) {
     translate(v=[px+dx, py+dy, 0])
     children(0);
 }
-
-// TODO: rename to simple align
-module align(a,b) {
-
-    rot_axis = cross(a,b);
-
-    if (rot_axis == [0,0,0]) {
-        error("Can't align - provided vectors are parallel");
-    }
-
-    angle = acos(a*b/(norm(a)*norm(b)));
-
-    rotate(v=rot_axis, a=angle)
-        children(0);
-}

rack-mount/print/dualLBracketSupportRail_P1.scad

@@ -0,0 +1,4 @@
+include <../side-rail/dualMount.scad>
+
+// No supports required
+sideSupportRailBase("lBracket");

rack-mount/print/dualLBracketSupportRail_P2.scad

@@ -0,0 +1,5 @@
+include <../side-rail/dualMount.scad>
+
+// No supports required
+mirror(v=[1,0,0])
+sideSupportRailBase("lBracket");

rack-mount/side-rail/dualMount.scad

@@ -3,7 +3,7 @@ include <../../helper/math.scad>
 include <../../helper/screws.scad>
 include <../../rack/config.scad>
 
-sideSupportRailBase("lBracket");
+*sideSupportRailBase("lBracket");
 
 module sideSupportRailBase(type) {
 

rack/mainRail.scad

@@ -6,7 +6,6 @@ include <./sharedVariables.scad>
 
 *mainRail();
 
-// Also known as the z-bar :)
 module mainRail() {
 
     b = 0.75; // bevel value

rack/print/stackConnectorBottom_P.scad

@@ -0,0 +1,4 @@
+include <../stackConnector.scad>
+
+// Oriented for 3d printing. No supports required.
+stackConnectorBottom();

rack/print/stackConnectorDual_P.scad

@@ -0,0 +1,5 @@
+include <../stackConnector.scad>
+
+// Oriented for 3d printing. No supports required, but it's reccommended to print this with a brim.
+// Adding a brim will require some post-processing in the form of trimming the bottom.
+stackConnectorDual();

rack/stackConnector.scad

@@ -13,12 +13,12 @@ connectorTaperStartHeight = 3;
 
 connectorTopR = 3;
 
-connectorRectPlugSlack = -0.1;
+connectorRectPlugSlack = -0.2;
-connectorRectSocketSlack = 0.1;
+connectorRectSocketSlack = 0.2;
 
 connectorBottomToScrew = 6;
 
-*stackConnectorPlug();
+stackConnectorBottom();
 
 module stackConnectorBase(rectSlack, topSlack=0.0) {
 
@@ -97,3 +97,26 @@ module stackConnectorPlug() {
     hexNutPocket_N(rackFrameScrewType, openSide=false);
   }
 }
+
+module stackConnectorDual() {
+
+  space = 0.5; // extra space inbetween
+
+  translate(v=[0,0,space])
+  stackConnectorPlug();
+
+  mirror(v=[0,0,1])
+  stackConnectorPlug();
+
+  cube(size=[connectorRectWidth+connectorRectPlugSlack, connectorRectDepth+connectorRectPlugSlack, space]);
+}
+
+
+module stackConnectorBottom() {
+
+  height = 2; // space between bottom and floor
+
+  stackConnectorPlug();
+  translate(v=[0,0,-height])
+  cube(size=[connectorRectWidth+connectorRectPlugSlack, connectorRectDepth+connectorRectPlugSlack, height]);
+}

rbuild.sh

@@ -2,7 +2,9 @@
 
 STL_TARGET_DIR=stl
 RACK_DIR=rack/print
+RACK_MOUNT_DIR=rack-mount/print
 RACK_TARGET_DIR="$STL_TARGET_DIR"/"$RACK_DIR"
+RACK_MOUNT_TARGET_DIR="$STL_TARGET_DIR"/"$RACK_MOUNT_DIR"
 
 echo "Starting build"
 
@@ -50,6 +52,16 @@ build_scad_file() {
   openscad -o "$target_file_name" "$source_file_name"
 }
 
+build_rack_mount_scad_file() {
+  local source_item=$1;
+  local source_file_name="$RACK_MOUNT_DIR"/"$source_item".scad
+  local target_file_name="$RACK_MOUNT_TARGET_DIR"/"$source_item".stl
+
+  echo "Building" "$source_file_name" "to" "$target_file_name"
+
+  openscad -o "$target_file_name" "$source_file_name"
+}
+
 build_scad_dir() {
 
   for ITEM in "$RACK_DIR"/*.scad; do
@@ -59,6 +71,13 @@ build_scad_dir() {
     build_scad_file "${base_item%.*}";
   done
 
+  for ITEM in "$RACK_MOUNT_DIR"/*.scad; do
+
+    local base_item="$(basename "${ITEM}")";
+
+    build_rack_mount_scad_file "${base_item%.*}";
+  done
+
 }
 
 clean_scad_file() {

stl/rack/print/mainRail_P.stl

@@ -19459,6 +19459,20 @@ solid OpenSCAD_Model
       vertex 102.177 24.9863 0
     endloop
   endfacet
+  facet normal 0.634193 0.773175 -0
+    outer loop
+      vertex 101.806 21.2123 0
+      vertex 101.48 21.4797 2.5
+      vertex 101.806 21.2123 2.5
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+    endloop
+  endfacet
   facet normal 0.995256 -0.0972949 0
     outer loop
       vertex 100.85 23 2.5
@@ -19753,20 +19767,6 @@ solid OpenSCAD_Model
       vertex 105.15 23 2.5
     endloop
   endfacet
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     outer loop
       vertex 104.52 21.4797 0
@@ -20047,6 +20047,20 @@ solid OpenSCAD_Model
       vertex 92.5806 20.8913 0
     endloop
   endfacet
+  facet normal -0.772984 -0.634426 0
+    outer loop
+      vertex 94.7877 24.1945 0
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+  endfacet
   facet normal -0.956921 -0.29035 0
     outer loop
       vertex 95.1087 23.4194 0
@@ -20229,20 +20243,6 @@ solid OpenSCAD_Model
       vertex 90.8913 22.5806 0
     endloop
   endfacet
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@@ -20663,6 +20663,20 @@ solid OpenSCAD_Model
       vertex 85.15 23 2.5
     endloop
   endfacet
+  facet normal -0.881998 0.471253 0
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@@ -20691,20 +20705,6 @@ solid OpenSCAD_Model
       vertex 83 20.85 0
     endloop
   endfacet
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@@ -21111,6 +21111,20 @@ solid OpenSCAD_Model
       vertex 75.15 23 2.5
     endloop
   endfacet
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@@ -21139,20 +21153,6 @@ solid OpenSCAD_Model
       vertex 73 20.85 0
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@@ -21559,20 +21559,6 @@ solid OpenSCAD_Model
       vertex 65.15 23 2.5
     endloop
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@@ -21601,6 +21587,20 @@ solid OpenSCAD_Model
       vertex 63 20.85 0
     endloop
   endfacet
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@@ -22903,20 +22903,6 @@ solid OpenSCAD_Model
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@@ -22945,6 +22931,20 @@ solid OpenSCAD_Model
       vertex 33 20.85 0
     endloop
   endfacet
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@@ -23351,20 +23351,6 @@ solid OpenSCAD_Model
       vertex 25.15 23 2.5
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     endloop
   endfacet
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