Add clamp connection

app/models/__init__.py

@@ -3,6 +3,7 @@
 from app.models.associations import augmented_part_imported_parts, role_permissions, user_roles
 from app.models.audit_log import AuditLog
 from app.models.augmented_part import AugmentedPart
+from app.models.clamp_connection import ClampConnection
 from app.models.imported_part import ImportedPart
 from app.models.imported_part_config import ImportedPartConfig
 from app.models.iso_thread import IsoThread
@@ -21,6 +22,7 @@ from app.models.user import User
 __all__ = [
     "AuditLog",
     "AugmentedPart",
+    "ClampConnection",
     "ImportedPart",
     "ImportedPartConfig",
     "IsoThread",

app/models/clamp_connection.py

@@ -0,0 +1,14 @@
+from sqlalchemy import Float
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.core.database import Base
+
+
+class ClampConnection(Base):
+    __tablename__ = "clamp_connections"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    min_mm: Mapped[float | None] = mapped_column(Float, nullable=True, default=None)
+    max_mm: Mapped[float | None] = mapped_column(Float, nullable=True, default=None)
+    min_in: Mapped[float | None] = mapped_column(Float, nullable=True, default=None)
+    max_in: Mapped[float | None] = mapped_column(Float, nullable=True, default=None)