feat: angle the track on the drive_shaft_mount to make it more printable

cad/build.py

@@ -1,4 +1,5 @@
 # pyright: reportUnusedCallResult=false, reportWildcardImportFromLibrary=false
+from math import radians, sin
 from build123d import *
 
 def build_drive_shaft_mount():
@@ -19,8 +20,9 @@ def build_drive_shaft_mount():
     screw_head_depth = 5
     screw_body_diameter = 5
 
-    track_width = 6.2
-    track_height = 1.8
+    track_width = 6.1
+    track_height = 1.4
+    track_angle = 30
 
     assert (bearing_offset - bearing_diameter / 2) > 0
     assert (core_width - bearing_diameter) > 0
@@ -82,7 +84,9 @@ def build_drive_shaft_mount():
                 Triangle(A=90, b=1, c=1)
             extrude(amount=-((thickness / 2) + (bearing_height / 2)), mode=Mode.SUBTRACT)
 
-        Box(core_width + (screw_blocks_width * 2), track_width, track_height, (90, 0, 0), (Align.CENTER, Align.CENTER, Align.MIN))
+        with BuildPart() as track:
+            Box(core_width + (screw_blocks_width * 2), track_width + ((sin(radians(track_angle))/sin(radians(90-track_angle))) * track_height * 2) - 0.012, track_height, (90, 0, 0), (Align.CENTER, Align.CENTER, Align.MIN))
+            chamfer(track.edges().filter_by(Axis.X).sort_by(Axis.Y)[:2], track_height - 0.01, angle=track_angle)
 
         with Locations(drive_shaft_mount.faces().filter_by(Plane.XZ).sort_by(Axis.Y)[-2:]):
             CounterBoreHole(screw_body_diameter / 2, screw_head_diameter / 2, screw_head_depth)