refactor: make the mop scraper holder a function

build.py

@@ -1,19 +1,20 @@
 # pyright: reportUnusedCallResult=false, reportWildcardImportFromLibrary=false
 from build123d import *
 
-center_thickness = 10
+def build_mop_scraper_holder():
+    center_thickness = 10
 
-mop_diameter = 23.7
-mop_arc_size = 220
+    mop_diameter = 23.7
+    mop_arc_size = 220
 
-scraper_diameter = 20.55
-scraper_arc_size = mop_arc_size
+    scraper_diameter = 20.55
+    scraper_arc_size = mop_arc_size
 
-arms_thickness = 3
+    arms_thickness = 3
 
-clamp_length = 30
+    clamp_length = 30
 
-with BuildPart() as mop_scraper_holder:
+    with BuildPart() as mop_scraper_holder:
         with BuildSketch() as profile:
             with BuildLine() as connecting_outline:
                 arc_s = 170
@@ -43,5 +44,8 @@ with BuildPart() as mop_scraper_holder:
         with Locations(Plane((screw_pos.X, screw_pos.Y, 0)).rotated((-90, 0, 0))):
             CounterBoreHole(3 / 2, 5.6 / 2, 3.2)
 
+    return mop_scraper_holder
+
+mop_scraper_holder = build_mop_scraper_holder()
 assert mop_scraper_holder.part is not None
 export_step(mop_scraper_holder.part, "mop_scraper_holder.step")