40mm to popular respirator adapter V2

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READ THIS BEFORE YOU CONSIDER DOWNLOADING: THIS ITEM IS INTENDED FOR THEORETICAL PURPOSES ONLY. IF YOU CHOOSE TO INSTALL IT IN A DEVICE AND USE IT FOR PRACTICAL APPLICATIONS, DO SO AT YOUR OWN RISK! RESPIRATORS AND FILTERS ARE PROTECTIVE SAFETY EQUIPMENT. TAMPERING WITH THEIR DESIGN AND FUNCTIONS COULD RESULT IN DAMAGE TO THE DEVICE, DEATH, OR SERIOUS INJURY. ALL PRINTERS AND MATERIALS PRODUCE DIFFERING RESULTS. CONSIDER THIS: A PRINT THAT'S TOO TIGHT COULD DAMAGE/Crack YOUR DEVICE, RENDERING IT USELESS. A PRINT THAT'S TOO LOOSE COULD LEAVE THE INTEGRITY OF YOUR DEVICE COMPROMISED, RENDERING IT USELESS. IF IN DOUBT, DON'T. YES, I PRODUCED AN ITEM THAT INSTALLED PERFECTLY AND WAS LEAK-TIGHT. THIS MEANT I WAS HAPPY TO USE IT IN A PRACTICAL APPLICATION. BUT IT WAS MY RISK TO TAKE. YOUR RESULTS MAY WELL DIFFER CONSIDERABLY, AND AS SUCH, I URGE YOU TO EXERCISE EXTREME CAUTION IF YOU'RE CONSIDERING ATTEMPTING TO MODIFY A RESPIRATOR. THE ITEM: THIS ADAPTER ALLOWS FITMENT OF A 40MM THREADED FILTER CARTRIDGE ONTO A POPULAR BRAND OF RESPIRATOR, WHICH I'LL LEAVE YOU TO IDENTIFY IF YOU OWN OR NOT. IT ALLOWS FOR UTILIZATION OF THE GASKET THAT COMES WITH THE RESPIRATOR. PRINT SETTINGS: GO STANDARD 0.2MM LAYERS ON A 0.4 NOZZLE. AS THIS IS A FUNCTIONAL PART, SUGGEST PRINTING WITH 5 WALLS AND 4 TOPS AND BOTTOMS. USE A 20% GYROID INFILL. A CONCENTRIC SUPPORT STRUCTURE IS ESSENTIAL. ENABLE IT EVERYWHERE EVEN ON THE PRINT. MAKE IT 1% DENSITY WITH AN X/Y DISTANCE OF NO MORE THAN 0.6 FROM THE PRINT (THIS IS IMPORTANT TO ENSURE GOOD SUPPORT OF THE SECURING SLOTS CHECK AFTER SLICING TO ENSURE THE SLOTS ARE SUPPORTED). A 5MM BRIM IS ADVISABLE. PRINT ON THE HOTTER SIDE IF YOU CAN, TO ENSURE EXCELLENT LAYER ADHESION. KEEP YOUR BED TEMP AT 50. THE SUPPORTS MIGHT BE A LITTLE TRICKY TO REMOVE, ESPECIALLY FROM AROUND THE THREAD BUT DIGGING IT OUT WITH A PAIR OF TWEEZERS CAREFULLY SHOULD RESULT IN NO NEED FOR POST-PRINT CLEANUP. YOU MAY ALSO WISH TO PRINT THE "PLUG" FOR THE DISUSED HOLE (OR A SECOND ADAPTER TO RUN 2 FILTERS). PLEASE NOTE WHEN FITTING THAT ONE OF THE 3 SLOTS IS SLIGHTLY SMALLER THAN THE OTHER 2. THIS IS THE ONE TO LINE UP WITH THE SMALLEST TAB ON THE MASK/RESPIRATOR. THE ONLY ADDITIONAL GASKET THAT MAY BE REQUIRED WOULD BE FOR THE 40MM THREAD SIDE, HERE I WOULD SUGGEST A SUITABLE PLUMBING RUBBER SEAL BE SELECTED OF AROUND 2-3MM THICK TO FIT AROUND THE BASE OF THE FILTERS MALE THREAD (HOLE SIZE APPROX 39MM). I'VE WORKED HARD ON THIS MODEL TO TRY AND ENSURE GOOD THREAD ACCURACY AND TAB FITMENT, BUT I AM BY NO MEANS A PROFESSIONAL IN DESIGNING, 3D PRINTING, OR RESPIRATOR AND FILTER SCIENCE. SO I'D ADVISE YOU RE-READ MY OPENING STATEMENT AGAIN. THANKS AND HAPPY PRINTING. PRINT SETTINGS PRINTER: X PRO RAFTS: YES SUPPORTS: YES RESOLUTION: 0.2 INFILL: 20 GYROID FILAMENT BRAND: MKOEM FILAMENT MATERIAL: PLA