SOLVED: Miter Saw Dust Collection. Mostly.
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- เผยแพร่เมื่อ 24 พ.ค. 2022
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I think I did it. Or at least got as close as I'm willing to get. Turns out solving dust collection on a sliding miter saw represents catching a unicorn in the woodworking world. There are so many variables at play that forming a solution that also allows you to use the saw - while still being effective - is very challenging.
Through an iterative process I have arrived at 2 promising solutions to try. I designed and 3D printed a solution for each and tested the final versions. The results were surprising (though not in the same disappointing way that the first go around was). The travelling chute turned out to be the winner and oddly enough was also the simplest. Funny how things work out sometimes...
Chris Harpster (Benchtop Woodworking) Delta Cruzer Video:
• Miter Saw Dust Collect...
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Links to Referenced Products (some are affiliate links which help sponsor the content!):
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Ridgid 4251 Dual Bevel Sliding Miter Saw - homedepot.sjv.io/e45oag
Diablo 80T Fine Finish Blade - homedepot.sjv.io/e45oag
EZ Dust Mask - tidd.ly/3YESc9A
Vacuum Brush (1m x 70mm) Strip - amzn.to/38ObrZ6
Fastcap Zero Clearance Tape - amzn.to/3uXGkm0
Contour Gauge Set (2 pcs) - amzn.to/3jWT9Xr
Vacmaster "Beast" Compact 5hp Shop Vacuum - amzn.to/3v07BEk
Dust Right Dust Separator - amzn.to/3v0DrBc
iVac Pro Dust Collection Switch - amzn.to/3vzy76y
Digital Calipers - amzn.to/3olu4s0
Pentel Mechanical Pencils - amzn.to/3CEoK7x
Machinist Square (3-pack) - amzn.to/3kF551G
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Dust Chute for 12" Saws: etsy.me/3tChMhw
Dust Chute for 10" Saws: etsy.me/3Bo1ywZ
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What’s the shipping times for the dewalt 12 “ 779 ordered about 2 weeks ago,thanks,Terry W vfrom Eastlake ohio
Dust collection
You have completely and utterly convinced me … that the best dust collection is to do it outside. Thank you for your dedication!
After years of struggling with dust collection on my miter saw, I finally came up with the solution that TOTALLY solved the problem: I removed the blade.
Really appreciate the time and extent you took to walk through the thought and design process. It is sometimes just as helpful to see and understand the development ideas that didn't work, as it is to see a completed outcome. Thanks!
As a retired aerodynamics guy one simple improvement you could make would be to put a generous round lip on the front edge of your shroud where it draws the air in. That way it will take air from the front and the side. Less dust will get past the intake. It still won’t be perfect but it will improve it. Using your big dust collector with a larger duct you will reduce the cross sectional area. What that will do is increase the local speed of the airflow proportional to the duct cross section. This will actually help you pull dust in. It looks like you are catching a high percentage of dust which is a huge win.
I was really surprised how much cutting power (and torque) this saw had out of the box. I've used other (10" saws) previously and was pretty surprised with the speed and cutting ability of this Dewalt saw.I have bolted mine to a table to minimize movement which I highly recommend.This is a Great saw th-cam.com/users/postUgkxPeGkHOMe05FySypTOvYumxMn-xi39oRe with a light to see your cutting line (not a laser line).I'd recommend this saw fro anyone looking to upgrade from a 10" miter saw.
Purchased this saw a week or so ago and at the same time ordered your dust collection fix. VERY HAPPY with it Thanks for all the work you put into it!
I really appreciate your engineering approach to this problem, and I’d never deny anyone a reason to play with a 3D printer. A couple thoughts from my own experience (engineer here too). Think big. Make the most of that 4” hose, because that’s wheee your flow is! A 2’ section of small hose will rob more flow than a 2” section… also, getting rid of any turns will help, and consider a smooth pipe section to get closer to the DC. My solution, and I should make a TH-cam video so you can see, is a box. And yeah the saw gets dusty, but nothing is airborne, and that’s what’s important. And with the full 4” port right there I can toss small chunks of wood and they get sucked right into the bin, AND just blow the dust off the machine without making a mess. I’m super happy with it.
I just made a box and agree that it does a great job with the airborne particulates and audio catching the bigger stuff in the box. I currently have a toilet flange on the bottom to hook my dust collector to and it's not great. I'm replacing the flange with a Big Gulp dust hood to funnel the dust into the collector and not have to sweep, blow, or vacuum the box out. But as others have said the best way to keep dust out of the shop is to cut as much as you can outside.
Well done. Your effort and humility are equally appreciated!
Thanks for showing the process. Really appreciate it and totally understand the rational for each design. Following the blade and catching the dust as close to the source before it has a chance to ricochet and deflect looks like the best avenue to pursue from your tests. Thanks for the content and well thought out designs!
So glad to see the follow up on this!
Truly the definition of pursuing "Shop Greatness"!
I'm glad to see someone share something I go through as well.
It's the modelling vortex, looking to get that satisfaction of clean fit and solid use case, it's so rewarding
Well done!! Love your persistence and I’ve watched every episode of your pursuit for better miter saw dust collection.
the variability in the speed, trajectory, mass, and shape of the dust bits depending on the blade, wood species, stock size, and how fast you ram the spinning blade through the wood all add up to make this a particularly difficult nut to crack - Kudos for sticking with it!
I think it comes down to cfm. In our shop, we have a very big cyclone. Our old 12” Makita slide/compound has a curved box behind it. The cyclone evacuates all of that, and very importantly, grabs a lot of the small particles. In our small satellite shop, we have a Mini Gorilla. I bought a Rousseau cloth enclosure for that, and it works pretty well. For a portable or small shop with a shop vac sized collector/extractor, the scoop style you’ve made is awesome. The ideal is still the large enclosure and big collector, because that can capture the small particles before they get suspended in the breathable air. Kudos! Great video.
Great job. You’re almost there. Please continue and finish this series. I’d love to see you enclose the final traveling shoot.
Another easy addition to help contain the dust that I did in my shop was to add a small wall/panel the extends down from your cabinets to the edge of your counter top where your mitre drop down section starts. This will just help keep saw dust off your counter top and contained within the sunken mitre area. Less vacuuming. Great video, I am going to try something like this on mine. Thank you for the great content.
That's kinda what I was trying to explain but you said it much better and easier than I did lol
Great to see you follow up and kudos on the hard work. Love the idea of making them printable and available to purchase. 👍🏼
Travis it was and is a great step in the right direction. I'm sure I speak for thousands of people watching you that it is appreciated and or just damn good entertainment. Thank you again for that.
What I like best with your solution is that it moves with the blade meaning when you do miter cuts, instead of 90 degree cuts, the dust collection chute still collects the dust. I have seen many dust collectors that basically work great for 90 degree cuts but not so good for miter cuts. Also I want to thank the commenter who said they use a downdraft table to collect the stray chips. That's something I will consider in addition to your dust collector.
I largely solved this problem several years ago. I bought a Kapex which does a much better job collecting dust than the Rigid, but I added a downdraft table under the saw. Game changer. A good 5hp cyclone dust collector can pull enough air to gather the chips off the blade and pull the dust that escapes into the cyclone. Super clean cuts!
SWEET ! At your expense , I really enjoyed this series of two videos. I actually made a similar dust chute with drawer line use the stock chute and I also added some drawer liner to the top section so I'm covering that exposed part which allows for the dust to shoot back in the air flow, it helped for sure. I just bought my first 3D printer so I will print a better designed chute with an angle as you mentioned. You're awesome and inspiring and your video editing is siiiick! Super entertaining and funny so it doesn't go unnoticed. Kodus man!
Thank you so much for what you are doing--you deserve the thumbs up for doing what the saw manufactures SHOULD be doing...
Thanks for all your work on this project Travis.
As the blade rotation is already throwing the dust upwards, yeah, good idea to utilize the direction of flow. Downwards is fighting against the high velocity already established. Your final method is still reminiscent of the Milwaukee 12" sliding bevel saw system of ten years ago. It works pretty well without vacuum attached, as in it fills an 18" dust bag attached in a days hard use. Not perfect, but dang good for a no vacuum attached system. The bag attachment is a flattened oval about 4" x 1-3/8" . 3D printed adapter and you may be surprised. Yep, I have three other miter saws as a comparison, none being Dewalt, but that saw is well covered by other comments.
Awesome effort Travis. I really appreciate the trials. Once you have it all final and complete, I will definitely be purchasing it from your store.
Jim
Everytime you see that something doesn't work - you have learned something. So all the work you have put into the solution is very helpful to all of us. Off to my Dewalt Miter Saw and throw some drawer liner at it? ?? ???
I admire your persistence. The amount of dust will also depend on *how* you cut the piece. If you start on the end nearest to the user, it'll likely spray way more as the dust just slams into the end of the cut and gets ejected upward by the blade.
Travis. .. I will tell you, I just got the dust collector attachment for my Delta Cruzer. IT IS A GAME CHANGER! I almost returned the saw because the Saw Dust was everywhere. Thank you for putting so much time and effort into the development. I really appreciate it!
Love the channel and your design skills and effort. Thank you!
Love your tenacity!! Your a unicorn hunter and my bet is your going to find one 🙂
Great video! Thanks for all the exhaustive research on this! I have the Delta Cruzer and while I love the saw, it throws a ton of dust! Would be great to have a bolt on dust cowl for it!
I have a similar contraption built with drawer liners and it works great. Captures most of the dust the previously bounced all around the saw. I still get some dust on the base or at the back of the saw. But nothing on my table.
Thanks for making this video, it has a lot of research already done for me to try to fix my setup. 😀
Correction: I should not have said similar. Mine just extends the dust shroud to make it longer. Then i have two more pieces mounted to the sides to make U shape around the blade. Larger sides are what keep dust from flying around. Sides extend all the way up to the orange arm on left side of the blade.
I run the Cruzer on job sites as a trim carpenter so I know the struggle! I love everything about the saw except the dust collection issue, so I’ll definitely give this a try. The best saw for dust collection that I’ve used is hands down the makita, but that saw has other issues that make me like the cruzer better.
Good work Travis! Not perfect but you’re getting there. Thanks for sharing all your work 👍🏻
Last weekend, I tried the Chris Harpster on my DeWalt (non sliding) miter saw. It just so happens that I had ordered a dust hood. So yes, the dust hood works well, but it's cumbersome and takes up a lot of space. And I'm only using a Fein vacuum (with Dust Deputy) so it's not like I have 1,000+ CFM. But the hood did a great job with a caveat that I had to clean the hood when I was done. Two days later, I found and tried Chris Harpster's simple dust shoe. And lo-n-behold, it was almost as good as the hood. Plus I don't have to clean the hood when I'm done. I'm really happy with "very good" and don't need perfection either. Enjoyed your journey!
As frustrating as it is riding the struggle bus (or getting run over by it) we all appreciate the hard work and time you’ve committed to solve this! Thanks Travis!
I'm happy with my simple solution. I have four heavy 4'x8' rolling workbenches made from structural pallet shelving (one is metal top). They are all the same height and can serve as feed tables for my Table Saw, Router Table, or Compound Sliding Miter Saw, which each have there own rolling tables to match height. All seven units use ratcheting leveling casters that raise the caster wheels off the ground and are leveled via tiny ratchet handles inside (Amazon). Then I just line everything up close to my big 16' high x 20' wide workshop doors. If weather is nice I leave the doors open if not, when finished I just open them long enough to use a big leaf blower and everything exits the workshop.
If solving this problem was easy, the manufacturers would have done it already. I have an old Dewalt 708 which I don't want to replace, and despite repeated attempts to make something to catch the clouds of dust, the best I have come up with is a damned tent over it. Keep going Travis ......
Festool solved it pretty well. It was a part of the product design, unlike other brands, dust collection is an afterthought.
@@What_Other_Hobbies very true....unfortunately though the Kapex is way too expensive for me
@@davidhull2060 too expansive for a lot of people. I’m working on a solution to improve my bosch glide 12”.
On nice days I saw in the driveway. On other days I saw at the edge of the garage with the door open….because of this.
@@What_Other_Hobbies just got a Kapex, and I would call the collection far from solved. Their claims of 90% are laughable.
I took one of those rectangular dust collection ports and attached it sort of on top of the dust collection chute hole but it extends over the sides and the end. It captures the dust as it moves with the blade. 100% improvement.
I bought and installed one of these on my 12" Delta, unbelievable how much better the dust collection is
Glad you’re enjoying it!
I purchased this for the same exact saw - to say it works is an understatement - I am blown away by how well it works - THANK YOU! (The router table is next)
Condolences to you and your family on the loss if your uncle. i am sure he is looking down upon you and cheering you on as you tackle this new chapter of your life as a full-time TH-camr. As a fellow "Daytonian", I hope you have as much success as those folks that helped man conquer powered flight., improved automotive starting, invented the cash register, even reach for the moon.
Great work. Some areas to consider, if you’re still trying. It’s not only suction, but where the make up air comes from. If you can get the air from where the particles come from, and get them entrained in that air flow, you may have more success. Look to the sides of the blade guard. It’s wide open. Too large with no particles. Wasted airflow. The air holes in the back of the blade guard may be opened to help draw the chips.
My shop is 40x40, so I’ve just resolved to clean up once a week, and deal with dust. It’s faster for me.
So now you need to add a Shop Good Enoughness shirt to your Etsy store. Keep up the hard work. I always get a laugh at your dry sense of humor. We all struggle, most of us don't put in TH-cam for others to laugh at us.
Thank you for exploring this! I have been working on a version for my Bosch based on Chris Harpsters idea using some shelf liner and aluminum strips. Like you said, it can be complicated. I think channeling the flow towards a single direction, but the flexibility to work with different size materials while moving with the blade is mind bending. Maybe even seperate pieces, both stationary and moving with the blade to corral as much as possible and still work with different angles and materials? Looking forward to what else you come up with and hoping it will be available for different saws. 😉
I would buy the Bosch version right now!!!!
Man I enjoyed watching you trying to solve this major problem. My kobalt makes a huge mess and I have built a box around it tried other things that of course didn’t work. This has given me a new idea to try for my saw. ❤️❤️👍
Great video. The struggle is real! It looks like you could smooth out the "stepped" transition inside the final product. Anything that reduces turbulence at the intake would seem to be a step in the right direction.
Now I want to see it redesigned using a flexible pink Shewee. 💗
Haha!
Great idea keep at it you will solve it. Looking forward to see next development.
Hi Travis, looking at both videos, it got me thinking that the static's electricity created by the blade "rubbing" the wood must be charging the saw dust particle. Using an antistatic air gun and blowing air through your dust collecting system may improve significantly the efficiency of the dust collecting system. I wonder if the saw dust could be more easily directed in the dust collecting system when the static's force keeping the dust on the surfaces is less important... A lot of industrial process have to manage static electricity in dust to get ultra clean process. Especially in microelectronics semiconductor fab... .. It could make a cool 3rd video... Thanks for all the inspiration for my shop over the year.
That's probably as good as it's going to get for a chute or hood on the saw. Next step is a downdraft path in the bench behind the saw. Those are fairly effective in capturing a good portion of what doesn't go up the OEM extraction shoot, or the end-user's modifications.
I appreciate the struggle of product design and trying to make the shop more efficient. Great points in the video. Curious if it has any issues with mitered cuts with it hitting at all? Thanks for the video!
Yes!! So glad you did a part 2
Been there done that, my close enough solution was to pot a bunch of 1 inch holes in a 3 inch piece of pvc behind the saw and using my same as yours dust collector. Not as good enough as yours but good enough for my unicorn hunt to be over. For a while
Ha Ha Ha.... I did the same thing, but with an added deal. I tried to make a box type thing so it would be a zero clearance! Miter saws truly are the unicorn generators in the shop!
I am impressed by your perseverence Travis, I would have stopped a long time ago.
I solved this problem… I sold my mitre saw and use my table or track saw instead 😎 That aside, I really enjoyed watching your iterative design process. I too am a 3D printing nerd and your designs were impressive. Cheers 👍😎🇦🇺
Hey, just a quick comment from a fellow mechanical design engineer. I too have failed pretty miserably at taming my saw. Your last solution is quite promising. Looking at the slower motion footage at the very end of the video, it definitely "looks" like you are potentially losing a lot of valuable air flow through the top of the flexible "U".
If you close that within a fairly tight tolerance to the blade I bet you'll get a decent increase in performance. One other note is that it looks like in the resting position of the saw, the plastic safety shroud gets too in the way of the area of the "U" that needs to be closed and would cause the need to step the design of the dust shoe and would cause significant loss during cuts, so cutting and shortening the safety shroud would be ideal. Note that by cutting it you're probably not decreasing safety because the dust shoe would become part of the safety shroud system as a separate stationary part.
Great series of videos and data collection. I can imagine it was exhausting and frustrating.
You, sir, are a bloody hero! I have been struggling in a minor and messy way with bits of wood and cardboard and goo and stuff, with some but unexciting success. You have inspired me to go back and try again. Nice to see some failures, unlike some who I suspect just delete the videos 😂😂
The only miter saws on the market that have a great dust collection are Makita and of course Festool. They both have the traveling shoot and the stationary that is made of rubber. Maybe if you want some suggestions for your design, check them out.
This is a great video once again! Thanks for sharing
I think if you added just a bit of brush to the top of the final design it would seal pretty well! 🤞
Been looking at getting a new miter saw recently, specifically a shallow slider like this or the bosch or something, and I will probably end up getting this ridgid simply because I know there will be a great dust chute available soon. Nice work!
i have 2 Bosch miter saws and love them. as a lefty the fact that i can release the trigger safety with either hand means i'm not crossing my arms or other funny lefty things and so i'm safer.
Search youtube for "Kapex dust chute bosch axial glide
"
Great vid and nice prototyping to find a solution!
All great information. I'm glad I wasn't the only one thinking travel urinal. Blech. LOL
Good video... and yes, I watched both with great interest. I have an idea for you... consider how table saw dust collection works and that a mitre saw is kind of like a table saw upside down. I have the Dewalt DWE7491RS and it has dust ports both on the back (which sucks from the bottom of the cut) and on the blade guard (which sucks dust from the top of the cut). I purchased a 4" Y-adapter that splits into two 2.5" hoses... I connected one to the back of the saw and one to the blade guard. With less reduction in air volume than a simple 4" to 2.5" reducer, I get more air flow above and below the cut. It works surprisingly well when I can put up with using a blade guard. So.... I did this with my mitre saw... I connected one of the 2.5" hoses to the back of the saw (where it is supposed to go) and I put the other one beneath the mitre saw. That's right... I set the mitre saw on top of a surface that had a hole in it and connected the other hose in such a way that created a down draft from beneath the saw. It also worked surprisingly well. You might give it a try.
Hi and thank you. I enjoy your channel very much. I built your versatile work bench and it came out great. I was wondering if you have designed a dust collector for the 12 inch Bosch miter saw. Thank you.
Your final design is similar to the dust collection on a Festool Kapex. The dust collection on my Kapex is very good. It is better with a "6 hp" shop vac than with my high cfm dust collector. The cfm at the saw seems to be higher. The Kapex is designed to be used with one of the Festool dust extractors. They are more like a shop vac. You might want to try your design with the shop vac. Dust collection at job sites is highly regulated in Europe. That is why all of the Festool tools have excellent dust collection. They are also a real pleasure to use. I am slowly switching from the more popular brands to Festool. Slowly because Festool tools are so expensive.
The she-wee outtake had me dying!!!!! LMAO It would have been nice to see how the she-wee worked with the shop vac setup.
something flexible that extends down the sides of the blade guard helps a bit too. mine doesn't slide, but I used 4in 100mph tape to make a flexible chute into the stock dustport and flexible blade guard extensions. both hit the table when cutting.
Travis hooked me up! (I paid for it) I love how much cleaner my 12” Delta Cruzer sliding miter saw stays after installing his product! Thanks 😊
Travis - great approach to solving the problem. I am using the box approach and can’t stand it - so I’m still looking at alternatives. 2 questions for you - 1) how do you like the saw now that you’ve had some time with it, and 2) how does effective is the chute at angles less than 90 degrees?
I spent over $700 on that new Bosch miter saw and the dust collection is horrible! I find myself not using it sometimes just cause I don’t wanna clean up the mess, and I have the same dust collector you have!…🤦♂️. Great video! I feel your pain!
I feel your pain. I've been working on a dust chute for the DeWalt. I've had more defeats than victories, but we have to keep going.
You are not kidding! The dust collection on this saw out of the box is horrible. My old craftsman 12" miter saw was so much better.
I want to say thank you for designing this. The improvement is huge. I printed this up as soon as I ordered the saw, but I had to try it out of the box before installing. Just so I could see the difference for myself. And...WOW! I would tell anyone with this saw to do this upgrade. Well worth it. Thanks again!
Don't give up. You are heading in the right direction.
What a great adventure! Thanks for sharing. I fight the same issue with my DeWalt 12” slider. I’m very interested in your continued design refinement. Thanks Bro.
Thank you for attempting this. I was going to go with the box method, but so far I just let the sawdust fly on my Ryobi miter. I’m beginning to rethink that.
Your efforts to find a solution just go to show how difficult the problem is. I've wondered if using two ports (the original one on the saw), and a 2nd one down low would work well? Everyone who has attempted to fix this seems to have the best success with using the original port, along with a larger flexible extension, like your final solution here.
Great perseverance!!!! Funny Rocky work out skit…. Keep videoiiiiing!
I always hated to have to use my miter saw because of the mess it created. I ended up making the miter saw station that Jay Bates made. I added a Harbor Freight dust collector with a Rikon upgraded impeller. Works great. I still have a tiny amount of dust that makes it's way out but it is very manageable. It is frustrating that manufactures can't come up with a good solution.
for my delta cruzer(the replica of the ridgid you have), day one i removed the little rubber flap and used a larger piece of shower tub liner(drawer liner) as a chute, i also 3d printed an adaptor to connect the dust collector hose to the saw, but im still trying to improve ,like you. another note, cfm may not be as important as water lift(static lift) when trying to gather the debris from a concentrated area, and dust collectors dont have quite the lift as a good wet dry vac, with high water lift. ive tried both with interesting results, using my 1300cfm harbor freight with a modified larger impeller(+ a cyclone seperator) vs a VacuMaid GV50BLKPRO Professional Wall Mounted Garage and Car Vacuum with 138 in water lift and 740 aw(140 cfm) , the vacumaid did a little better
I love the fact that you get it about a 12" miter saw - I don't want a Kapex. Also, your second option can handle an angled cut. Version 1 didn't look like you could do anything but a straight cut. Great videos. Thanks
Ha, as far as miter saw dust, I have a perfect solution, I use my neighbors miter saw. And depending on the time of day, I might get a free frosty beverage while visiting. 😁👍
This guy living in the year 3000...
This was fun to watch and a great example of iteration and picking more than one horse for the race. Looks like you are moving on but wondering if anyone else in the comment section has tried using smoke/fog to track vacuum/airflow/vortices?
Shop (dust collection) okayness... Love seeing the process and progress
Both these would work. With minor adjustments. The blk one. Use the rubber liner directed upward from the blk box. Though I would create a slightly narrower design. Somewhere between the two you made.
Grey one. Your rubber sweep does no come down and contact at a good angle. Lower and than trim it after you install it.
I admire your persistence and drive to get this handled. If it was easy it would have been fixed long before this.
LOL! I was thinking the same thing about the shewee. Hey, if it works...Thanks for the videos and keep up the good work.
Wonder if an air dam would work? For example use an air compressor and mount some nozzles in a way that knocks down all the particles, or corrals them into an area that easier to collect? I ended up going with the box method myself and using a pit style trap so I could just sweep everything off the saw down into the pit for collection lol. Thanks for taking us on your journey lol!!
Nice Delta Cruzer!!
I'm anxiously waiting for the plans for your final dust collector modification. I'm putting off buying this saw until I see what you come up with.
Love it. My 20 volt Delta has a smaller ver. Have to see if I can pull it and modify it. If you could make one that would work on a radial arm saw you maybe could retire early.
I really think the traveling chute is the answer, but encapsulating as much of the saw blade as you can without interfering with the cut material. Like the Festool Kapex.
Correct. Also like the makita saw. I went from ridgid to makita for my 12” mitre saw and they have a dual chute setup. One at the back and one traveling with the blade. Works awesome
The Bob Vila pictures really made me laugh. Nice work as always!
I’m glad someone finally solved this issue. Once I get my shop set up, I’ll buy the files and have my friend print it for me, way out of my league
Way to stick with it. I completely enjoy your videos. Please keep them coming!
I'm enjoying watching your attempts. You should try hooking up some small PC fans or compressed air nozzles on each side of the blade to try and direct the air to the spot you want it to go. Obviously requires a compressor or something to power the fans but it might work better than trying to catch them all.
I'd be careful with PC fan components in the work area. Since they're not rated to handle workshop dust and metal bits. Though perhaps a mesh filter will ensure the fan is safe.
Suggestion: divide and conquer. In addition to newly designed dust solution, create a secondary dust collection behind the saw sharing the 4 inch vacuum hose.