Diamond hotend capacitive proximity sensor

SummaryA capacitive proximity sensor Diamond cooler for the Diamond hotend. Printede withe the Diamond hotend, should have made it multicolor come to think off it. InstructionsPrint time: 1h 54min Filament: ABS Filament length: 7077 mm Weight without the sensor: 21.28 g (0.05 lb) Layer height: 0.2 mm Top and bottom solid layers: 3 Shells: 2 Infill: 20% Only support for the bracket is necessary The last picture is the schematics for the sensor. I used a BC547 and a 100k resistor.