2-level kbd mounting pillars

notebook_nueva/modelo.py

@@ -22,11 +22,8 @@ ti_radius = 2.35
 ti_depth = 6.25
 
 # Positions are determined by measuring the keyboard
-# mounting holes
-kbd_pillars = (
-    cq.Sketch()
-    .push(
-        [
+
+kbd_pillar_positions = [
     (18.25, -16),
     (142.5, -25.5),
     (kbd_width - 20, -16),
@@ -34,12 +31,25 @@ kbd_pillars = (
     (145.5, -82.5),
     (kbd_width - 19, -79.5),
 ]
-    )
+
+
+# mounting holes
+kbd_pillars = (
+    cq.Sketch()
+    .push(kbd_pillar_positions)
     .circle(2.2, mode="a")
     # Holes for self-tapping screws
     .circle(1.1, mode="s")
 )
 
+kbd_lower_pillars = (
+    cq.Sketch()
+    .push(kbd_pillar_positions)
+    .circle(4, mode="a")
+    # Holes for self-tapping screws
+    .circle(1.1, mode="s")
+)
+
 # These are placed where convenient, and are used to join the top and bottom
 # parts of the case.
 # Measured from top-left corner OUTSIDE
@@ -131,6 +141,10 @@ def model():
         .tag("sloped")
         .placeSketch(kbd_pillars)
         .extrude(-1000)
+        .workplaneFromTagged("sloped")
+        .workplane(offset=-3)
+        .placeSketch(kbd_lower_pillars)
+        .extrude(-1000)
         # Remove the excess extrusion
         .workplaneFromTagged("mid_height")
         .transformed(offset=cq.Vector(0, 0, -thickness / 2))