Combine the front plates into one to provide more accurate construction

export_stuff.py

@@ -16,10 +16,11 @@ parts = [
     (gantry.ca.left_spacer, "carrier_left_spacer", gantry.z_spacer_z),
     (gantry.ca.right_spacer, "carrier_right_spacer", gantry.z_spacer_z),
     (gantry.ca.stepper_mount, "carrier_stepper_mount", gantry.stepper_mount_z),
+    (gantry.g.combined_front_plate, "combined_upper_front", gantry.plate_z),
 ]
 
 for part, path, thickness in parts:
     exporters.exportDXF(
-        part.workplaneFromTagged("base").section(),
+        part.workplaneFromTagged("base").section(0.1),
         "dxfs/{}-{:.2f}mm.dxf".format(path, thickness),
     )

gantry.py

@@ -11,8 +11,8 @@ tube_h = inch(1.5)
 tube_wall = inch(0.075)  # 1.519 #inch(0.062)
 column_spacing = 560
 column_h = 400
-plate_z = 2.54
-plate_z2 = 10
+plate_z = inch(3 / 16)  # 2.54
+plate_z2 = inch(3 / 8)  # 10
 
 x_mount_z = inch(3 / 16)  # 5
 stepper_mount_z = inch(3 / 16)  # 5
@@ -279,6 +279,24 @@ class Gantry:
         self.right = stepper_mount_holes(self.right)
         self.right_bearing_mount = stepper_mount_holes(self.right_bearing_mount)
 
+        self.combined_front_plate = (
+            cq.Workplane()
+            .copyWorkplane(
+                w.transformed(
+                    offset=(
+                        column_spacing / 2,
+                        tube_h / 2,
+                        (upper_center + lower_center) / 2,
+                    ),
+                    rotate=(-90, 0, 0),
+                )
+            )
+            .rect(20, upper_center - lower_center - tube_w + 5)
+            .extrude(plate_z)
+            .union(self.upper_front_plate)
+            .union(self.lower_front_plate)
+        )
+
     def assembly(self):
         return (
             cq.Assembly(name="gantry")
@@ -298,6 +316,7 @@ class Gantry:
             .add(self.right_bearing_mount, name="fixed bearing mount")
             .add(self.left_bearing_mount, name="floating bearing mount")
             .add(self.stepper_mount, name="stepper mount")
+            .add(self.combined_front_plate, name="combined front plate")
         )
 
 
@@ -309,7 +328,7 @@ carriage_h = 300
 bolster_w = 30
 bolster_z = 25
 
-z_spacer_z = 10
+z_spacer_z = inch(3 / 8)  # 10
 z_spacer_w = 40
 
 z_ballscrew_len = 400