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  #81  
Old 04-15-2020, 02:35 PM
Alchemist Alchemist is online now
 
Join Date: Mar 2014
Location: Glasgow, KY
Posts: 128
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Quote:
Originally Posted by BobbyLucas View Post
Nice! I'm still using the RepRap I built 7 years ago. Maybe one day I'll get a real Prusa.

You need to see my i2 I've had for many years, it looks like a collection of McMaster Carr parts (which it is LOL). It's so old the all thread has rusted but it still prints great so I've never upgraded.

I'm around the 300 mark so far on the i2, it keeps on churning.
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  #82  
Old 04-16-2020, 12:47 AM
dreed dreed is offline
 
Join Date: Nov 2016
Location: Camas, WA
Posts: 432
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Wow... quite a set up. I have a Monoprice knockoff unit of an ultimaker and can only do 6-7 at a time but did about 250 so far including a couple dozen of the UNC and Notre Dame ones Bobby was kind enough to design for me.

They've all been very well received by my doc buddies and all in their hospitals and clinics (5 so far).
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Camas, WA
RV-7A - N167DR (reserved)
Inspection coming
2018/19/20 VAF dues paid
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  #83  
Old 04-16-2020, 01:00 PM
daniel_hagan daniel_hagan is offline
 
Join Date: Oct 2007
Location: El Paso, TX
Posts: 11
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Quote:
Originally Posted by Steve Melton View Post
I have printed well over a thousand of these straps. Unit #4 came on-line over the weekend. it was a used unit that needed TLC: new stepper motors, new belts, new bed liner, new Y-axis bushings, new software, realignment, calibration, nozzle, etc. She is purring like a kitten. if you have multiple printers it is beneficial to have identical units.

Steve, thank you SO much for the clips, they arrived today. One of my girls was practically in tears as she literally has contact wounds behind her ears. The staff upstairs found out about them literally 25 seconds later (thanks to same said employee) so I distributed 15-20 up there as well. This means more to us than you'll ever realize ... thanks again!
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  #84  
Old 04-16-2020, 03:22 PM
philip_g philip_g is offline
 
Join Date: Nov 2009
Location: Oahu
Posts: 188
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somehow the USPS has managed to take a delivery that should have been 1-2 days, and made it take at least 5 business days (it seems temporarily lost) so I gave up trying to print any of these. And had them redirect the printer back to the sender.
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  #85  
Old 04-17-2020, 05:44 PM
Jakmart Jakmart is offline
 
Join Date: Aug 2018
Location: Grayslake
Posts: 6
Default NIH Face Shields

NIH recommended shields printing 4th week. Late to the party but running Hatchbox Alpha Delter printer strong 24/7. Shields take 2 hrs to print.

https://www.facebook.com/photo.php?f...type=3&theater

NIH site for file download

https://3dprint.nih.gov/discover/3dpx-013359

Joe Prusa fan as Chez Republic MOH approved his early designs.

Makerbot Replicator 2 in garage next to RV12iS empennage kit needs a board change.
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Donation to Delta Romeo, LLC
Completed Aug 20, 2020
RV12iS Start Milestone Jan 2019 - EAA Sheet Metal Class during the Polar Vortex weather event.
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  #86  
Old 04-17-2020, 09:30 PM
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DaleB DaleB is offline
 
Join Date: Sep 2012
Location: Omaha, NE (KMLE)
Posts: 2,280
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Finally got my printer back up this afternoon. I figured out the root cause, upgraded firmware, made a couple hardware improvements, and the new V6 hotend should arrive tomorrow. The leaner, meaner machine may not print faster, but at least it?s printing again... about 8 per hour while I?m awake and here to scrape them off the print bed. Now if only I could automate that...
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Omaha, NE
RV-12 # 222 N980KM "Screamin' Canary" (bought flying)
Fisher Celebrity (under construction)
Previous RV-7 project (sold)
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  #87  
Old 04-18-2020, 09:06 AM
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flyboy1963 flyboy1963 is offline
 
Join Date: Oct 2008
Location: Lake Country, B.C. Canada
Posts: 2,423
Default best design???

Quote:
Originally Posted by Snowflake View Post
Steve, our group redesigned the ear saver to reduce print time to 6 minutes... I can do 7 in 42 minutes or 10 in an hour (depending on the layout, i'm having better success with the 7-item layout) on my Prusa Mk2.5.

Here's the pattern: https://github.com/bccovid-19/printf...small_V004.STL
Rob, I knew you'd be on the job!
My son is making a few for my sis at VGH in Victoria, and she had borrowed one from a friend.
?.She liked the OPEN back.... which made it easier to clip and hold in position in her hair, so you might consider that a NUREP!
We're trying to get ours as smooth as possible so it's easier to disinfect, which hasn't been mentioned much here!
( Our Ender 3 is a bit fussy to get nice prints, still learning!)

There are some great minds and people out there, using all different kinds of equipment & materials! Some great ones ..cutting out of milk jugs! (I don't think my plotter at work will do it, but I'm gonna try Monday!)

keep up the great effort gang!
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RV-9a - SOLD!....
Lake Country, BC
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  #88  
Old 04-18-2020, 09:51 AM
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Snowflake Snowflake is offline
 
Join Date: Oct 2009
Location: Sidney, BC, Canada
Posts: 4,079
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Quote:
Originally Posted by flyboy1963 View Post
My son is making a few for my sis at VGH in Victoria, and she had borrowed one from a friend.
Let him know about the BCCOVID-19 group. http://bcc3d.ca They are taking requests from health care providers in BC and coordinating collection from printers and distribution to the sites. There's a Slack channel for them as well, with subchannels for each region. http://bccovid-19.slack.com

Quote:
?.She liked the OPEN back.... which made it easier to clip and hold in position in her hair, so you might consider that a NUREP! We're trying to get ours as smooth as possible so it's easier to disinfect, which hasn't been mentioned much here!
There will be pluses and minuses to every design, but in general the one with the hole in the arm had a lot of sharp corners that trapped particles and grabbed hairs. The first was bad for disinfecting, the second was bad for usability. This one was made as thin and flat as possible, with an offset cutout to go around ponytails. It was also sized for maximum packing on a bed, and lower print time to maximize yield as demand has remained high. Maybe if it's less workable one way up she can try turning it over? As someone who's joined the "cue-ball" club, I don't have any hair anymore to experiment with.

Quote:
There are some great minds and people out there, using all different kinds of equipment & materials! Some great ones ..cutting out of milk jugs! (I don't think my plotter at work will do it, but I'm gonna try Monday!)
The effort (at least here in BC) is going to shift soon, we have an injection moulder coming online who is going to start making the face shield frames. Once they're up and running (2-3 weeks) they'll decimate any production by 3D printing. People have also been trying to laser- and water-jet cut the ear savers, but are finding that they do "too good" a job... The cuts are so smooth that all the edges are sharp.

I'm just about to start experimenting with PETG for making face shield frames, as we need to keep making them until the injection moulder is online. Right now we have an excess of ear savers on Vancouver Island, so it's worth taking the time to learn the new material.
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1996 RV-6 "Tweety" C-FRBP (formerly N196RV)
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  #89  
Old 04-19-2020, 03:14 PM
Pilotjim77 Pilotjim77 is offline
 
Join Date: Jun 2018
Location: CHESHIRE, MA
Posts: 229
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I would like to buy a shipment of these from one of you guys who are able to print them. I want to give one or two to my stepson who works at a grocery store and is having issues with his required mask straps. They bother his ears quite a bit. I will bring the rest of them to the local hospital.
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Jim

Purchased July 2019: RV-6 0320 Whirlwind Ground Adjustable Prop

"We can porpoises?" -- Leo Farnsworth
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  #90  
Old 04-19-2020, 03:23 PM
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AX-O AX-O is offline
 
Join Date: Jun 2005
Location: SoCal
Posts: 2,483
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PM me your address. Will send you a few in an envelope for free.
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Axel
RV-4 fastback thread and Pics
VAF 2020 paid VAF 704
The information that I post is just that; information and my own personal experiences. You need to weight out the pros and cons and make up your own mind/decisions. The pictures posted may not show the final stage or configuration. Build at your own risk.
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