Fix (UI): Corrected console outputs for UBOM.

models/common/metric_bolt.py

@@ -0,0 +1,43 @@
+
+from models.base_3d_object import Base_3D_Object
+from models.dimensions_3d import Dimensions_3D
+from models.material import Material
+
+from pydantic import Field
+
+
+class Metric_Bolt(Base_3D_Object):
+    head_diameter: float = Field(gt = 0)
+    head_length: float = Field(gt = 0)
+    length: float = Field(gt = 0)
+    shaft_length: float = Field(gt = 0)
+    size: float = Field(gt = 0)
+
+    @classmethod
+    def from_size_and_length_and_material(cls, size: float, length: float, material: Material) -> 'Metric_Bolt':
+        head_diameter = cls.get_head_diameter(size = size)
+        bolt = Metric_Bolt.from_dimensions_and_material(
+            dimensions_enclosing_cube = Dimensions_3D(
+                x = head_diameter,
+                y = head_diameter,
+                z = length
+            ),
+            material = material
+        )
+        bolt.size = size
+        bolt.length = length
+        bolt.head_diameter = head_diameter
+        bolt.head_length = cls.get_head_length(size = size)
+        bolt.shaft_length = bolt.length - bolt.head_length
+
+    @classmethod
+    def get_head_diameter(cls, size: float) -> float:
+        return size * 2
+    
+    @classmethod
+    def get_head_length(cls, size: float) -> float:
+        return size
+    
+    @classmethod
+    def get_washer_diameter_safe_working_clearance(cls, size: float) -> float:
+        return size * 4 if size < 20 else size * 3