CNC cooling align with laser adapter

Before starting any part, the coolant nozzles or air nozzles must be aligned to the tool. 
When adjusting the air nozzles, it is never completely certain whether the tool is being properly hit. 
When adjusting the coolant nozzles, the door must be closed after each adjustment and then the emulsion must be started. This process is repeated until the jet hits the tool. It usually takes more than one attempts. In addition, the emulsion often runs over your hands during alignment, because it continues to flow for a while even after being switched off.

I designed this adapter, to adjust the cooling nozzles easier. Because the laser has a push button on the back, you can start the laser by pushing into the adapter. To stop the laser you push it in once more.

It works good with this laser: 
Art. Nr. PICO 70108552
70108552 Modul: Laser 5mW rot Kreuz 650nm 2,7-4,5VDC 10-30mA 45° PICOTRONIC GMBH | eBay

⚠ Warning: Laser Safety Information
The laser is classified as Class 1 and is considered eye-safe under all conditions, including prolonged exposure.
The laser operates at a very low output power of ≤ 0.4 mW.
Nevertheless, always handle lasers responsibly and avoid unnecessary direct exposure.

Be careful: Tools sometimes have very shiny surfaces, which reflext lasers very good.