add mounting hole symbol

Hardware/soundbox.kicad_sch

@@ -1045,6 +1045,88 @@
 				)
 			)
 		)
+		(symbol "Mechanical:MountingHole"
+			(pin_names
+				(offset 1.016)
+			)
+			(exclude_from_sim yes)
+			(in_bom no)
+			(on_board yes)
+			(property "Reference" "H"
+				(at 0 5.08 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+				)
+			)
+			(property "Value" "MountingHole"
+				(at 0 3.175 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+				)
+			)
+			(property "Footprint" ""
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "Datasheet" "~"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "Description" "Mounting Hole without connection"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "ki_keywords" "mounting hole"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(property "ki_fp_filters" "MountingHole*"
+				(at 0 0 0)
+				(effects
+					(font
+						(size 1.27 1.27)
+					)
+					(hide yes)
+				)
+			)
+			(symbol "MountingHole_0_1"
+				(circle
+					(center 0 0)
+					(radius 1.27)
+					(stroke
+						(width 1.27)
+						(type default)
+					)
+					(fill
+						(type none)
+					)
+				)
+			)
+		)
 		(symbol "power:+24V"
 			(power)
 			(pin_numbers hide)
@@ -5266,6 +5348,70 @@
 			)
 		)
 	)
+	(symbol
+		(lib_id "Mechanical:MountingHole")
+		(at 29.21 74.93 0)
+		(unit 1)
+		(exclude_from_sim yes)
+		(in_bom no)
+		(on_board yes)
+		(dnp no)
+		(fields_autoplaced yes)
+		(uuid "e90b8193-9b78-415a-ae3e-cc2b8d10aec1")
+		(property "Reference" "H1"
+			(at 31.75 73.6599 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left)
+			)
+		)
+		(property "Value" "MountingHole"
+			(at 31.75 76.1999 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(justify left)
+			)
+		)
+		(property "Footprint" "MountingHole:MountingHole_3.2mm_M3_DIN965"
+			(at 29.21 74.93 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Datasheet" "~"
+			(at 29.21 74.93 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(property "Description" "Mounting Hole without connection"
+			(at 29.21 74.93 0)
+			(effects
+				(font
+					(size 1.27 1.27)
+				)
+				(hide yes)
+			)
+		)
+		(instances
+			(project ""
+				(path "/76ccf285-fc85-4049-b6f7-c99349d34b80"
+					(reference "H1")
+					(unit 1)
+				)
+			)
+		)
+	)
 	(symbol
 		(lib_id "soundbox:RE46C100")
 		(at 185.42 114.3 0)