USB hub holder + parametrization

notebook_nueva/battery_holder.py

@@ -5,6 +5,15 @@ lower_stands = cq.Sketch().push(stand_positions).circle(3, mode="a")
 higher_stands = cq.Sketch().push(stand_positions).circle(2.65 / 2, mode="a")
 pillar_height = 7
 
+# Holes for the battery power cable and button
+power_in = cq.Sketch().trapezoid(10, 5.5, 90, mode="a")
+power_in_offset_x = 15
+power_in_offset_y = -1
+button_offset_x = 67
+button_offset_y = 5
+power_button_cut = cq.Sketch().trapezoid(7, 7, 90, mode="a")
+
+
 # This is a holder for DuPont cables so they connect to this
 # things' pogo pins which are used to power the CPU
 pin_positions = [(4, 0), (4 * 2.54 + 4, 0)]

notebook_nueva/modelo.py

@@ -78,16 +78,21 @@ screw_holes = cq.Sketch().push(mounting_pillar_positions).circle(3, mode="a")
 
 # Hole for the USB hub's exposed port
 usb_in = cq.Sketch().trapezoid(13, 5.5, 90, mode="a")
+# Thing to "grab" the hub so it stays in place
+usb_holder = (
+    cq.Sketch().trapezoid(10, 22, 90, mode="a").trapezoid(10, 17, 90, mode="s").clean()
+)
 
 # Hole for the USB hub's exposed port
 audio_in = cq.Sketch().trapezoid(17, 6, 90, mode="a")
 
+# CPU holder position from back-right corner of the case
+cpu_offset_x = 40
+cpu_offset_y = 65
+
 # Battery holder position from front-left corner of the case
 battery_offset_x = 21
 battery_offset_y = 56
-# Holes for the battery power cable and button
-power_in = cq.Sketch().trapezoid(10, 5.5, 90, mode="a")
-power_button_cut = cq.Sketch().trapezoid(7, 7, 90, mode="a")
 
 
 def model():
@@ -108,10 +113,13 @@ def model():
         # The 15 is distance from stand hole center to center of USB plug
         # The -1 is distance from top of the pillar to center of USB plug
         .center(
-            width / 2 - battery_offset_x - 15,
+            width / 2 - battery_offset_x - battery_holder.power_in_offset_x,
-            -thickness / 2 + battery_holder.pillar_height + shell_t - 1,
+            -thickness / 2
+            + battery_holder.pillar_height
+            + shell_t
+            + battery_holder.power_in_offset_y,
         )
-        .placeSketch(power_in)
+        .placeSketch(battery_holder.power_in)
         .cutBlind(-shell_t)
         # Power button
         # The position is arbitrary, based on the components available,
@@ -120,10 +128,13 @@ def model():
         # The 67 is distance from stand hole center to center of power button
         # The 5 is distance from top of the pillar to center of power button
         .center(
-            width / 2 - battery_offset_x - 67,
+            width / 2 - battery_offset_x - battery_holder.button_offset_x,
-            -thickness / 2 + battery_holder.pillar_height + shell_t + 5,
+            -thickness / 2
+            + battery_holder.pillar_height
+            + shell_t
+            + battery_holder.button_offset_y,
         )
-        .placeSketch(power_button_cut)
+        .placeSketch(battery_holder.power_button_cut)
         .cutBlind(-shell_t)
         # USB inlet
         # The position is arbitrary, based on the components
@@ -178,17 +189,15 @@ def model():
         # 13 is 20-7 (screw thread length - threaded insert depth)
         .cutBlind(thickness - 13)
         # CPU Stands (lower)
-        # The -65, -40 is the position of the CPU,
-        # and should be a parameter (TODO)
         .workplaneFromTagged("mid_height")
         .workplane(offset=-thickness / 2, centerOption="CenterOfBoundBox")
-        .center(width / 2 - 40, height / 2 - 65)
+        .center(width / 2 - cpu_offset_x, height / 2 - cpu_offset_y)
         .placeSketch(cpu_holder.lower_stands)
         .extrude(7)
         # CPU Stands (higher)
         .workplaneFromTagged("mid_height")
         .workplane(offset=-thickness / 2, centerOption="CenterOfBoundBox")
-        .center(width / 2 - 40, height / 2 - 65)
+        .center(width / 2 - cpu_offset_x, height / 2 - cpu_offset_y)
         .placeSketch(cpu_holder.higher_stands)
         .extrude(10.5)
         # Battery Stands (lower)
@@ -213,6 +222,12 @@ def model():
         )
         .placeSketch(battery_holder.pin_holder)
         .extrude(shell_t + 3)
+        # Channel for the usb hub
+        .workplaneFromTagged("mid_height")
+        .workplane(offset=-thickness / 2, centerOption="CenterOfBoundBox")
+        .center(width / 2 - 5, -height / 2 + shell_t + 45 + 13 / 2)
+        .placeSketch(usb_holder)
+        .extrude(shell_t + 8)
     )