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Old 03-24-2013, 04:35 PM #1
Sogamember666
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3D Printing loader shells

First things first. Pumpers love small hoppers usually varying in size from 50rds-100rds. However, these loaders tend to be cheaply made, require modding and in alot of cases, not reliable enough to keep up. Redundant sounding I know, but I have achieved 8bps with a Rotor on a CCM S6. I can only imagine what others can do.

Alot of pumpers and tinkers have taken force feed loaders and blended them with others to create a smaller yet still fast package. You will see some that have taken Viewloader Revolutions and combined them with Sportshots, others are Halos and Evolution loaders and so on. They do work, however they often are hideous and not as sturdy due to the bonding materials that hold the two together.

Sitting messing around on Reddit and reading some very interesting articles on 3D printing, brought up the idea of someone with access or knows of someone that has access to the machine. The good thing about 3D printing is that is relative cheap to produce pieces. It is also easy to gain access to the plastics needed and with it almost all done on a computer, a person confident enough with the program can knock out some shells within a matter of days. It is also very strong. I've seen videos of people creating AR magazines and even an AR lower that fired over 600 rounds without a hiccup.

This comes in to play of copyrights and the proper law channels. However, it would be completely legal to make shells that accept Viewloader Revolution internals. Selling them as a whole would be illegal, however separately would be okay. If someone were to do this, the individual could sell just the shells. No lids, no internals, no buttons, nothing. Then someone could purchase the shells, rip out the motor, board, paddle, button etc. from a Revvy and throw it in the shell and viola.

The market might seem small. But besides pumpers, you also have the market of players that want smaller loaders but with the speed of a Revvy. So that opens up the market for Milsim, Oldschoolers, pumpers, light and tight guys, etc.


The shells would have to:
Hold no more than 110 paintballs
Accept all components of the Viewloader Revolution
Accept Viewloader lids/speedfeeds.
Be reasonably priced.
Strong
Normal looking (unlike a Q-loader or Pinokio)

Does anyone seem interesting in this undertaking?

Last edited by Sogamember666 : 03-24-2013 at 04:39 PM.
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Old 03-24-2013, 05:11 PM #2
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I would be interested in buying one
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Old 03-24-2013, 10:16 PM #3
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This should be am open source paintball community project. All dimensions, drawings, and files available for download. Us pumpers have wanted a motorized pump loader for years (i, since i started pump in '04) and the industry hasn't given us one yet. I say we do it ourselves. Then, all the individual has to do is seek out a person with a printer and pay them.

I don't care if it's force-feed or agitating, but i would prefer the ability to drop in Halo or Revolution parts, as they are widely available.
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Old 03-24-2013, 10:20 PM #4
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And I'm completely willing to donate a few bucks to fund development, but only if ALL drawings, dimensions, intellectual property, and necessary files are guaranteed free and open to the paintball community.
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Old 03-25-2013, 01:57 PM #5
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Have you researched into the durability of the plastics being used?
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Old 03-25-2013, 02:32 PM #6
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From what i understand, they use ABS plastic, which i would consider reasonably durable.
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Old 03-25-2013, 04:00 PM #7
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There are a lot of plastics you can use to 3D print. Most commonly used are ABS and PLA.

PLA is strong, but more fragile than ABS. I wouldn't be surprised if shells like a halo, rev, etc. are molded from ABS.

One thing you will have to make sure is that it is designed properly so that it uses the least amount of material. That includes not just final product material, but also support material for any overhanging parts.

While I do think it is plausible, it probably wont be as cheap as you think. $40-50 per shell.

This is all assuming ABS is strong to withstand the rigors of paintball.
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Old 03-26-2013, 10:44 AM #8
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I'd be interested in helping out with this as well. I have connections with Stratasys, and also have access to Solidworks 2012. I don't have any revy components, but if someone had dimensions I could model around them. I am curious about how well these would hold up since the thin wall models we've printed so far have been pretty brittle to impacts.
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Old 03-26-2013, 09:17 PM #9
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fyi, a better idea would be vacuum form the shell halves and bod together. There are lots of DIY vacuum forming techniques.
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Old 03-27-2013, 04:34 AM #10
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Quote:
Originally Posted by cs900 View Post
fyi, a better idea would be vacuum form the shell halves and bod together. There are lots of DIY vacuum forming techniques.
and I think cheaper , once you get a mould done.

but with a 3D model, the prototype, you can see the designer foults in hand,
because there are always mistakes...

I'm actually thinkin about buying a 3D printer because of this
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Old 03-27-2013, 08:54 PM #11
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For 3d printing a hopper shell it would probably be a better path to print in ABS as opposed to PLA because of the options for post processing ABS.

http://blog.reprap.org/2013/02/vapor...-rp-parts.html
Ive done this post treatment to many of my 3d printed parts and they come out with a great finish and less prone to splitting on the z axis because it welds all the layers together. It makes a pretty big difference over all to an unprocessed part.

$50 a shell would only be the cost for outsourcing it to an expensive source or something, a kilo of ABS plastic (filament) is only around $40.

There are also several different kinds of 3d printing with a bunch of different types of plastics and metals that can be more suited for this kind of print. You can also print out the molds for vacuum forming.

As to weather or not it can take a shot from a paintball gun, only one way to find out. If it does break, just print a new (better)one.

This guy has what looks like a successfully 3d printed hopper
http://www.thingiverse.com/thing:29722
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Old 03-28-2013, 12:00 AM #12
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That's ridiculously amazing. I have lots of free filament at school & enough broken hopper part ideas now...
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Old 03-28-2013, 06:07 PM #13
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I have a 3D printer, it's a Mendelmax 1.5 that I built. I'd look into "Taulman" Nylon as a plastic to consider for a hopper, stuff is awesome. I've wanted to undertake a project like this for quite awhile. I can print with Polycarbonate, Nylon, ABS, PLA, etc. (any 3MM plastic filament you can find I can likely print).

My problem is A) lack of time to design, and B) I'm not great with CAD software and especially have a hard time designing complex assemblies and organic shapes

But, I'd love to collaborate with someone and I'd do all of the printing/material purchases to prototype a hopper.
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Old 04-01-2013, 10:09 PM #14
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I've just emailed several loader companies about this idea. I hope I get some positive responses.
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Old 04-02-2013, 04:50 AM #15
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I could model something up if i have time- im pretty proficient in Solid works, as a matter of fact I just modeled a lower reciever for my .22 and will print it as soon as i can.
can anyone give me revvy internals dimentions?

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Old 04-02-2013, 06:15 AM #16
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Ok heres a little number i just whipped up.
Two halves that can be printed then glued along the interlocking seam to make the shell.
Then you can just pull the lid off your favourite type of pod and glue that on- one 3D printable pump hopper

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Old 04-02-2013, 06:23 AM #17
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Old 04-02-2013, 06:45 AM #18
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yes now who has a 3d printer...
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Old 04-02-2013, 07:16 AM #19
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I have a Revvy at the house. When I get home I'all measure. It might be easiest to scale down a Revvy to hold about 75 rnds.

Another thing is with most 3D printers you can't mass produce a crap ton. So you'll either have to print as many as you can, stock up, then sale them or sale them as they come off. You'll also have to use a strong plastic. If you use cheap but reliable internals, ice Revvy internals, you could sell the shells for like $50. ABS plastic ain't cheap. For those who don't have Revived, Google ViewLoader parts and its the first one. Or purchase a new Revvy for $45. Revvy internals are the way to go. Simple, cheap, reliable, and light. Its a pump loader. Nothing past 11bps is really needed.

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Old 04-02-2013, 05:46 PM #20
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Quote:
Originally Posted by tooks View Post
as a matter of fact I just modeled a lower reciever for my .22 and will print it as soon as i can.
which is the file you should have uploaded.
Excellent work! I really like the lid idea a lot but
that interlocking lip would be horrible to print though.


whats your X,Y dimensions on that hopper?


Quote:
Originally Posted by Sogamember666
Another thing is with most 3D printers you can't mass produce a crap ton
you only need to make 1 of each side. the rest you can make using a mold ,
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Old 04-02-2013, 11:27 PM #21
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Tooks - PM'd you in hopes of getting some files to try to print.
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