hookah dive system , super cheap and lots of fun to make and use
ฝัง
- เผยแพร่เมื่อ 5 ก.พ. 2020
- Hi guys , today I am making a really cool hookah dive system, sorry the vid is a bit long , but remember these units are 2500 or so to buy so watch learn build your own much better and cheaper than buying new, if you want I will show you how to build the battery as well , it’s a bit more advanced but I will break it down lithium pos 4 is the best thing out there, amazing power, pls support me and subscribe, I’m not wealthy so this can help me buy bits to make cool stuff , thanks so much Jeff Smith, down here in kiwi land, also the change I would make when I build the next one is to use urathane to seal the pipes instead of the plumbing glue , it will cure in a couple of days, the plumbing glue takes weeks to stop giving off a chemical smell , I heated mine up with a heat gun arround the joints which has finally cured it , cheers every one
![[TH] VCT Pacific Stage 2 - Playoffs Day 1 // GEN vs RRQ | TLN vs TS](http://i.ytimg.com/vi/JhkzKOhvOps/mqdefault.jpg)
I posted your setup on a sub on reddit about diving, and they were pretty critical about safety. Specifically, they were critical of your lack of a prefilter for mold/pollen being forced into your lungs and moisture/particle filter for the forced air. THey also said that there should be a check valve at the regulator to prevent backflow. How would you respond to these criticisms? I really like your rig and engineering, but safety is key.
Nice design
Very nice work! Thank you for sharing 👍
Amazing
Very nice!
Seems to work, very nice detailed instructions on the build! 👍
Many thanks for your support, cheers jeff
Good on you nice job
Omfg i willa do this. This kompresor od so fkn expencive . Thanx Man .
that's amazing and inspiring
Cheers for that
I am in the process of building mine and have fitted a 12v computer fan to extract possible fumes and heat from inside the box. Would also suggest making the box white as it is cooler than black.
Great video. Yes please make a video on the battery. I just got my pump in the mail today. The same one. I have already disassembled it cleaned it (it had a bit of aluminum flakes in it) sanded the sharp edges and reassembled it. Works great.
Will try as soon as I get the bms off eBay
link to pump????
Friend, You must put an inline filter for water in air and other particles, it’s a must. Great idea.
I agree thanks for your comment
Perfect job
Thanks
JEFF S i made Olso but i use car Airmatic
@@zaferoral5009 love to see your machine
👌👌👌👌👌👌
Inspiring. I wonder if condensate is a problem in the big pipes, however, I like the dual use of these. I would use a descent regulator, every used one will be better than that cheap new one.
Green mountain sent me ,hello TANK
Just need a good quality motor that produces lots of air and shuts off at around 70 psi and when it gets 65 psi goes on...the rest is easy for me..your setup is very nice..thanks for sharing
Add a water/oil seperator (most have a micron filter included)
Compressing air produce water which now fly into your lungs (most will be stuck in the tank which also need to be drained oncein a while)
I really recommend lifepo 4 battery
It coast a lil more but they are much lighter and a 100ah is comparable to a 200ah leaf acid (changed myself a moment ago extended my battery life several hours)
Nice build Jeff...I'm building one but have problems with pressure build-up may have to install a relay n pressure guage
Bloody rippa bud
excellent work, I join your channel
Thanks and welcome
I really like the idea you had, I hope you will always be successful
Cheers bro
Jeff Great build, obviously works in your second video...Built a similar version however used 2 ACQ 910 pumps mounted vertically with 2 x 25Ah batteries, Lifepo4, added a 10mic filter water separator, adjustable pressure relief valve, main cct breaker external mains sw, volt meter, and a Anderson plug recharge plug. I built mine as a family unit so to have more than one diver at a time, what i found was pressure and CFM at depth with 1, 2, 3 ,4 divers was limited even with the 2 ACQ pumps. So the first upgrade began. Found a pump that produces 3.5cfm at 100 psi, 100% duty cycle and on testing at 35psi at the accumulator was drawing 8.1 amps, theoretically giving 2-5 hrs 4-2 divers. Found the same problem with using PVC glue with the accumulator, a bad odor, tried epoxy and although there was no odor, i did a pressure test and bang at 48 psi...it separated and when inspected the epoxy could be picked off so not chemically welded. After a few trials what i found was smear about 5mm of food grade Vaseline on the inside butt edge of the fitting, place PVC pipe in the fitting 10mm, glue 20-30mm on pipe, insert adjust and use acetone to clean the outside joint. 4 SS 316 screws in each joint (redundancy) , as there is no glue at the seated butt joint, no fumes. the Vaseline acts as a barrier if there was chamber air contamination. Happy days. My updated Hookah does 4 divers at 3-5m for 3hrs, 3 divers to 5+m 3hrs and 2 divers to 10m 3hrs. I cant say will be diving to these limits as it is more a shallow dive unit that is safe for the family. on the safety side, my kids all have a self inflating PFD 150 with a 1kg ballast weight on every dive, cos you never know. Stay safe every one and stay above ground....Dixi
What are updated pumps you found?
I was plannjng to build one have no clue which pump to use ... Oil free pumps running to 12v battery
What is the make and model of the updated compressor please?
Same as above. Which compressors did you find?
@@paulmudra9535 Me too! I have found this on Ebay: Direct Breath 12V Oil-less Hookah Dive Air Compressor W/ 15M Hose+Regulator. Quite expensive and draws alot of current
Hi Jeff. Really enjoyed your video; very well presented and super informative. Have a use for a like system to assist me in hull cleaning. One question - with the pump continuously running, is there any problem as a result of a pressure build-up in PVC reservoir when the 2nd stage regulator is not actively being used?
great job! one thing tho.... I wouldn't pull your air through the box and then compress it. not with a lead acid battery in the immediate area. Also, carbon filters are a nice touch for particulates :)
Mate that’s unreal
it look awesome. Can you record how it runs in water. Also does compresor over heat quickly? Maybe kind of water cooling design with compresor actually touching water would be great if you ask me (don't know if this idea is posible with this kind of compresor). Anyway great video and cool project. Thx
Hi , I have a video of it working, it doesn’t seem to overheat but I only had it running for an hour or just over , but will be diving for flounder in an up coming video so I’ll keep everyone posted, cheers and thanks again jeff
Is that blue hose 1/4 inch.?.only coil hoses I can find are 1/4" in the state...great demo and that pvc air tank is awesome..if compressor stops u will hear and still be able to take another breath if you are 3 to 5 meters down and be able to surface safely...many others do not add air tank...I will make mine very similar to this one for sure..thanks for sharing.
Nice Job, Thanks.
Love the PVC pipe as the air reservoir, Very Cleaver!🌟🌟🌟🌟🌟
I have a compressor for airbrush painting, looks almost the same as yours however it's 110v with US plug.
Could I cut the cord and run it off batteries do you think?
Any Help Would Be Great!😉👍
Than you for sharing your setting, did not you think about adding an air filter to the hookah??
I like your design very much...using the pvc as float and air chamber is excellent thinking. Do you think this unit would deliver enough air if you drove to 5 or 6 meters? ALSO what regulator did you use and does your compressor ever catch up and shut off or does it run continuously...does it get hot at all? Thanks so much for sharing your ingenious tankless scuba machine..😊
Awesome video! This is DIY level 100!!
Could you post a parts list with web addresses? Thanks..
hi will do , we are in lock down at the moment cant get to my work to get the receipts so I can write up the list soon I hope , cheers jeff
just watched your diving video (big thumbs up)so please ignore my last comment
I would look for food grade materials that are ROHC certified.
Restrictions on hazardous compounds.
I would be very leery about pumping that stuff into my lungs. Especially under pressure.
Great video extremely innovative and brilliant in the execution. I am an ex Navy diver and admire innovative thinking. I agree about the need for a particulate filter (refer to solution below at the bottom of this comment). Unfortunately depending on the filter and where you choose to mount it, or use my suggestion below, it may require a higher powered air compresser to push air through that filter but this one may be sufficient for shallow diving with a filter. However, I would not advise taking it down to 15 feet or deeper with a filter attached as the force needed to push air through a filter may lower the available compression (test it first to see what it can do and have a standby diver tenderer or Missus ready to pull you up by rope that is around your waist and have signals pre-arranged, for example, give three tugs for drowning and four tugs for OK; in case you get into trouble;). Also you need to watch out if the compressor runs for too long (do not dive all day) or if the compressor gets old and tired over time, you may inadvertently inhale smoke or fumes from the wear and tear of the compressor, as it is what it is, designed for fish aerators etc. Common sense applies. That was a good suggestion to use urethane or silicone to reduce offgassing of toxic fumes, after it cures of course. Suggest locktite on bolts/nuts when attaching air compressor to ply base. It comes off when you need it but it is vibration resistant. Suggest inserting rubber grommets into the hole you intend to drill into the ply and place one either side so you can then feed the wire through the battery box, costs a few cents and keeps water out and prevents vibration wear and tear on insulated wires. Try silicone mats or rubber instead of packing foam to reduce further VOC offgassing, plus it is a great electrical insulator. I use rubber mounts on aircraft engines to absorb vibration so it is good enough for this as well. I think you would get the same offgassing of VOCs (Volatile Organic Compounds) from a more expensive off the shelf product but who cares it is still ok for the duration you would use one of these for. I wonder if you could attach a thin foodgrade tube from the air intake of the compressor (at the bunge hole position) and feed the tube up and tape to the side of the inside of the box (a sort of compressor snorkle) in case somehow water sloshes in the bottom of the box in rough wave conditions (unlikely as it may be). While a bit off topic, your fabricated unit (subject to the installation of a filter) would be particularly useful when cleaning yacht hulls. Using a 4 year duration copperbase anti -foul on a fibreglass hull and scraping every two months to expose fresh copper embedded in the epoxy saves hauling out fees $1,200 each year, toxic waste removal fees $650 on each occasion. Your device pays for itself in minutes. Well done.
Your particle filter should allow nothing larger than 40 micron to pass. This filter is best located at the discharge part of the air reserve tank, ie affixed somehow inside of the plumbing flotation tank with filter co-located over the inside brass fitting that points down at 45 degrees and that attaches to your air hose. Suggest change every 6 months and Bob's your uncle, unless he's your Aunty. Which suggests that the flotation would be best sealed with silicone and the tubes not be pushed too far into each (cut as short as needed to just link), in preparation for the ongoing process of replacing the filter or inspecting as required.
Hi Michael , thanks for your thoughts and you make some great observations. I really do need to get a filter , I might also post a video on a strip of the wee compressor so people can see how it has limits ect cheers jeff
I appreciate your ideas regarding the air filtration mechanisms needed for safe breathing. I'm planning on attempting a diy system and your ideas are especially insightful.
Very informative and detailed comments. Thanks. I looked up the combined filter on ebay and its now around $38 but is nearly $80 shipping from USA. Will look for an alternate closer to home. I'm planning on building a system based on Jeff's video for use in cleaning the hull of my yacht and starting to collect the parts needed.
Hi Jeff how are you mate I like to make one but wanna ask you do you reckon will effect the lunges from the glue any specific glue and if the pipe full of air will explode and should put air filter ?
Thanks Jeff
Do you have links where you bought the items needed?
Is there a model # for this air pump, i do not see it on ebay or anywhere?
do you need a moisture filter going into the pipe tank?
hello congratulations for the really interesting video, soon I will build one too. I wanted to ask you a question: does the compressor run continuously or once under pressure does it stop by itself and then start again? What model is the compressor I would like to buy...
very cool concept.. I think if you made tubes as long as possible to maximize the fittings, you could have a decent pressure reserve (about 60 PSI.. PVC pressure ratings actually are much higher).
I also will put a PVC "T" fitting in, pointed up and mount the output line (elbow fitting angled down) in that. My thought is two fold: if water condensation builds up (in the tank), I don't want it purging it down into the air line.. also, I would want a way to open up the "tank" to bleach it/clean it of dust, debris, water or mold. So, the top of the "T" I'd put a cap off with teflon tape.
Otherwise.. awesome.!
I've been wanting to do something like this awhile, I'll likely use this as my starting point. I'd want the higher PSI to be able to put a pressure switch on, to decrease motor run time and increase dive time.
That could work , cheers Jeff
WARNING…..I would make it so clean air from outside is plumbed directly to the pump. Just in case the battery off gassed with chemicals. Any contamination breathed directly into the lungs can cause death.
Oil-less pump is good but you primary design of having air intake into the pump and batteries in the same air space is a flawed potentially fatal design.
Don’t do this exact design it can kill you.
Watching now, oil free pump and lithium battery (what size?) Im going with a Dewalt compressor that comes with flexvolt battery and has a one gallon tank. $305 package plus hose and regulator for $75, breathing air hose, not compressor hose (and filter) Nifty use of pipe as an air storage tank/ float system. Details would be helpful such as the compressor scfm number which should be at least 1.5 or so, as I compare them from other makers.
Everyone shows us how to cut and paste. :) This is pretty much within the ability of most who will attempt this and maybe you spec stuff out such as battery capacity and the airflow rate and so on at the end or summary. (at the price you gave that's likely only a 50 AH 12 volt lithium, Im still wondering)
Can you send me a detailed list of parts for this build? Much appreciated. Looks quite Brilliant. Thank you.
Like to have parts list,myself...
Does the compressor switch off and on depending on how much psi accumulated?
What is the compressor that you use? What is its effiency?
What is the size off the box do you have a link off the box where de compressor is going in to?
I want to built one like yours greets from the Netherlands
can that pump run continuous on 12v 10ah lithium? I believe 10ah is maximum size allowed on airlines. thanks
Hey, you know what would be really quiet and last a long time in your floating air buoy? A tank!
May i know do you have any testing video?
hi have you tried it out yet if so how deep did it go and did you take any videos of the dive
Fantastic! I have been thinking of buying something like this, but they are so damned expensive. I have to ask though, is the pump fit for breathing air? I know that in SCUBA, they have to filter it to take out anything that may harm health, so I am keen to know if this pump is fit for purpose from a health sense. If so, I think I may do this. BTW, it sounds like you are a Kiwi. Where abouts are you? I am in Welly.
Its was great can we use tyre tube instead of pipe
It could work love to see your version, cheers keep inventing
Hey bud! Really cool build there. Interested in building my own. Would you mind listing the parts needed and costs? Thanks
I just built one and this is a pretty good kit to get started with and is pretty similar to the one in the video. www.ebay.com/itm/392830564248
The TH-cam link below does not open? Thanks
Super cool! What sort of depths can that compressor supply? And could it support 2 divers?
hi Matt , about 7 meters or just a bit more , I don't think it would work for 2 people , when I tested mine I was breathing really hard and it kept up no problems , as you can see in the testing vid , which is why I really worked it , to test , so may be be build a couple they are really quite easy to build and sooo much fun , cheers jeff
If you build one single unit that support two divers, you should also have at least one pony bottle capable to ensure a safe and slow ascend of both divers in case of equipment failure! (or better, two pony bottles, one for each diver).
If you build two separate unit, you can still use buddy breathing on a single unit to ensure a safe and slow ascend in case of one equipment failure.
Always remember that a quick ascent is only the last resort option and could result in personal injuries or even death, you must have a backup air supply to perform a slow ascend in case of equipment failure!
hello congratulations nice video, I wanted to ask you how many liters can that engine pump per minute?
I think 160 , but I will check
Should have some air filter on top lid of the box
Thanks for your reply, I think that is a great idea, and I will look at doing that, cheers jeff
Schedule 40 pipe would have been a better choice especially when you're using it for air storage.
What a really cool build you have done here this is a money saver as a matter of fact you could build these and farm them out privately
Cool video but I wish you had spent more time on the compressor stage 2 and other...
great way to inhale oils and moisture into your lungs
What model number is the pump you are using?
Hi Jeff. My name is Tony I love the way you have designed this . My question is once the pipe and hose is full of air does the compressor turn off if not what happens with all the extra pressure it's trying to pump in to the pic pipe tank. At that length hose to you have to breath the air harder e.g sucking the air out. Also what about condensation water build up in the reserve tank. How to you release the trapped water and what safety filter do you use to collect any water partials so you only breath in clean air
This is exactly what I was thinking about,, in spite that I admit it's a great invention, but these points need to be solved too for safety.
Go buy a water filter from a sandblasting shop and a pressure valve when you make yours
how long is the battery last... and how much depth did you dive ??
So I’ve seen a few of these videos and I’ve had a question do you get fumes off the battery or is that only when your charging ? Cool idea
Not from closed cell battery like AGM or the lithium
Hi Jeff and thank you for your very detailed Video. I'm in the process of building the same as you have done so i can clean the bottom of my Yacht up here in Whangarei and to gather a few Scallops etc. Two questions Ados puts out a glue called Greenstik that has a very low VOC and has Low odour, Non-toxic, Non-flammable, No solvents, water based) and is suitable for Pvc......do you think this could be an alternative to the Plumbers Glue? Secondly , I brought a 2and Stage regulator octopus Hookah with mouthpiece...do i have to do anything to this ? I have the same pump as your etc........Thanks Warwick
Hi not sure about that glue sorry and I just used the cheap reg witch seems to work well, sorry no expert
@@jeffs3810 Thanks Jeff, guess i'll just try the glue and see how it holds....I'll let you know!
How is it holding up after 4 years?
Hi Jeff can i have a parts list especially for the pump? thanks
Hi Gary , in the video I do a close up of the sticker which you can search up on eBay or amazon or similar type of sight to track down , the rest of the bits came from any home depo type place , which I explain in the video , good luck, they really work great , lots of fun , cheers jeff
WOW, impressive, what is the size of PVC, DN100?
Hi 40 mm plumbing pipe, cheers Jeff
What type of air compressor do you need?
Hi , in the video I show you how to make what I built and the bits I used , it would seem to me you didn’t bother to even watch it , what can I say , watch the video
This is a great build. A parts list would be a big help. Do you know yet how long the battery will last?😎👍👍👌👌⛏⛏
Hi no not yet will start diving again in the next month or so , cheers
@@jeffs3810 any update?
@@jeffs3810 any update?
@mrclean247365 I don't know much about solar but I know that its D/C so you aren't gonna need a converter and you can directly plug it into the battery but the only problem I see is that the amount of solar panels would probably be too small to makle the difference not sure though.
Also no need for any filters..any debris or water will end up laying in that large pvc tank...if you ever want to clean it just flush it out with solution than rinse with fresh water..
Great info. But, other than stainless steel fittings for the hookah line, is there a specific type to connect to the hookah itself?
Hi there , I just used a stainless steel hose clamp , easy simple and safe cheers , jeff
@@jeffs3810 Thanks Jeff
Update! I have finally ordered everything Jeff and will be building mine shortly. My BOYU ACQ-910 has already arrived.
Came to ask questions but other peoples comments and your responses pretty much cleared it up.
I will use 3M Marine Adhesive Sealant on the pipes, which is urethane based rather than the pipe cement. I use it on my product so, it's on hand.
The only downfall I face is our season is getting close to an end here in America.
@@GreenMountainGoldTrap that sounds awesome, I like that modification, maybe you could get oe of those dry suits to keep warm lol , cheers and pls let me know how you are getting on
@@jeffs3810 If the dry suits weren't so expensive, you bet I would. But with the patent, equipment, shipping supplies, marketing and everything else it's a no go just yet Jeff! I fully plan on doing a DIY video like you did because my viewers have requested it. I will let you know. I added a link to your video in my announcement video.
Do you not need a first stage when your using an air compressor?
Pressure from pump is low like 2barg so a 1st reg is not required.
Where did you get the coiled hose for your hookah dive system?
Air feed for car spray painters
Great video. Planning to build a similar one to your hookah. I have a question, what efficiency does your pump have? I can buy one of several pumps with a capacity of: 3000L / H, 3600L / H, 5100L / H, 7500L / H, 8400L / H. I am keeping an eye on 3600L / H. Will it be optimal?
Look at Boyu pumps on ebay 160L /min
Hi Jeff, how is that motor holding up and where did you get it? Glenn
E bay
Hiya Jeff, going to build one of these. Can you tell me how many AH's your battery is?
Hi it's a lithium po4 12 v 20 ah , works great
@@jeffs3810 Awesome
Hello Jeff and greetings from Cyprus!!! Hope you are ok you and your family with this bloody virus. Is it possible to write down what things we gonna need for this project please. Thanks in advance!!!!!!
hi will do , we are in lock down at the moment cant get to my work to get the receipts so I can write up the list soon I hope , cheers jeff
hello try use acq 906 boyu i today buy thomas airpump
is this compressor fit for continuous work lets say 6 hours? won't overheat? I want to do same hookah system but with car battery
hi tomek the compressor is designed to aerate large fish tanks and aquaponic units , it a rubber diaphragm type design continuous feed of air , not sure as at 7 mtrs it works harder than at say 3 mtrs , any 12 volt battery will do the job the bigger it is the longer in theory it will last , cheers jeff
Be careful with a car battery, given the acid issue and spillage. If you do go with a lead acid battery make sure it is sealed. Going with a lithium iron phosphate battery wouldn't cost that much more for something this size, especially if you built your own. Check out jehugarcia here on TH-cam
Good night here half of what you said you need something about your volume
Solar panels
HOW MUCH IT IS COST/LINKS TO PARTS???? PLZZZZ😍😍😍
What type of connector do you use to attach the hose to the pump. Mine came with just a threaded whole and the local DIY chap said it is a none standard 10mm thread. A parts list would be greatly appreciated.
looked to my like ya normal comp cuick con
what kind of glue was used
I would use urathane to seal All the pipes as I completely hardens in 24 hrs with no smell on my next build , it took weeks to get rid of the smell of the plumbing glue , cheers Jeff
Why do we need a compressor and filter? Can we just breather through a long hose/ snorkel?
When you're underwater, your body is subjected to water pressure. Deeper you go the higher the pressure. You would not be able to breath via a hose above water when you're underwater as your lung will not be able to expand against the water pressure. An oilless pump would be able to overcome that water pressure to deliver air to your lungs. You'll need a 2nd stage regulator else lungs may get busted by the pump pressure.
@@ken2633 can I pull off a basic snorkel attached to a hose connected to a float above for a 10ft dive at least? I'm only looking to do small recreational exploration. I really don't want to have to buy a ventilator... They're so pricey!
@@austin1640 I doubt you can do that. At 10ft of water, the water pressure on your lung is 0.294 bar or 4.4psi. Its like trying to breath with someone pressing down your chest with you laying on floor.
What pump did you use?
How many Liters does it put out?
All in the video
@@jeffs3810 i am a big fan of this setup, is there any way i could pay you to make the box and cvc pipe with the quick connects part of this project? I'd like to set up the inside a bit differently
Do you have a link to the batteries?
Hi digger sorry no I got them from a guy that imported some stuff from China they are lithium pos4 I charge them with my hobby charger to 4.10 and they last for hours I bought a bms system on eBay and it never turned up , this would of protected the cells but I do it manually by monitoring the battery and stopping it when it gets to 3 .6 I have complained and soon I hope to get the bms links sorry I have nothing, but lithium po4 man so much power
Hi no links I explain what I’m using and where I got it in the video
Be careful, this engine takes inlet air through the electric motor. You will breathe the carbon from the brushes, etc.
Non e vero
Have you tested yet? Or have you poisoned yourself with pvc glue or or dust? You don’t have a filter
Glue harden... Idiotic comment
abc you are not bright are you?
Even when it is tasting like toxic.... you will die from a toxic chemical you cannot taste. Read the label. ABC.... you obviously can’t count
@@flexoidtheoneandonly3033 and bread give you cancer and pineapple eat your from the inside
And you breath dangerouse fumes and praticles a everyday
Im new to this surface air supply diving stuff, just curious, is using a compressed air a must? is it needed due to the water pressure? or simply to run a regulator? because i was thinking of creating a cheaper and simpler design by using 2 hoses 1 for inhaling ambient air and exhaling would activate a small valve sending waste air out of the 2nd hose (also eliminating bubbles) is this a bad idea and why?
Dive regulators really are the smartest solution and only one hose Cheers
you need a compressor to supply the airwhile diving otherwise you cant breath once you get to a depth over a couple of feet.i made something simular useing 2 x one way valves from snorkles,these were fitted close together so the incoming air was always fresh air,one would let the air in and the other let the air out which worked fine out of water but like i said once i got to a few feet it was impossible to inhale
Hello jeff and greetings from cyprus!!! I copy your idea but im not sure if its the air is enough for breathing. I would like to send you my video to tell me your opinion please. Do you have messenger or Viber or whatsaap?
hi my messanger is Jeffrey smith blenhiem nz , hope you can find me , cheers jeff
I dont think these pumps put out enough pressure if yo go below 3mats. Hard to get enough air. Good luck though. Not sure about the glue and pipe either.
Hi there yes in my over view I explain that urathane is the best option , this unit is not designed to go lower than 6 to 8 meters which it does well , cheers you are on the ball , it's a fun safe thing if you keep to low depths , I have had so much fun with it , hope you make one, cheers Jeff
Dirty drity
Nice design