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Another Simple 3D Printed Blaster

#31 User is offline   Landru 

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Posted 01 February 2012 - 04:44 PM

View PostZ64052187, on 01 February 2012 - 04:40 PM, said:

Not necessary, perhaps, but I feel it could be beneficial if a part breaks to pop it open, swap the part out, close it up and reinsert the pin.

Also, I have a couple of ideas that a clamshell wouldn't be as good for, but those are just concepts at the moment. Hopefully a write-up on them, if they succeed, but until then...

And thanks, for clearing that up. I'm a little new to a lot of things.


As an addendum to that, you can always design the part to be a clam-shell case, and also have a pin to remove any particular part that may need replacing. Neither has to be exclusive.
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#32 User is offline   Langley 

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Posted 01 February 2012 - 07:23 PM

Looks awesome. I wish I could put one of these together, but it looks way beyond the scope of a Cupcake. At least the shell would be.
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#33 User is offline   Pause 

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Posted 01 February 2012 - 07:50 PM

The first time I heard of "3D Printing" I was thinking exactly this!
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View PostDaniel Beaver, on 24 October 2012 - 10:56 AM, said:

Heh.

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#34 User is offline   Z64052187 

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Posted 02 February 2012 - 12:59 PM

View PostLandru, on 01 February 2012 - 04:44 PM, said:

As an addendum to that, you can always design the part to be a clam-shell case, and also have a pin to remove any particular part that may need replacing. Neither has to be exclusive.


You make a good point, I concede.

Though I will be working on designs that aren't clamshell because I like them.
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#35 User is offline   proplus 

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Posted 04 February 2012 - 05:54 PM

View Postsoloz1, on 31 January 2012 - 10:50 PM, said:

Crossbow shells?!


If this guy were to make crossbow shells they wouldn't be that sturdy due to layering
We might as well factory mold them for stability, (cough orangemodworks ,cough). :rolleyes:
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#36 User is offline   Landru 

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Posted 04 February 2012 - 09:43 PM

View Postproplus, on 04 February 2012 - 05:54 PM, said:

If this guy were to make crossbow shells they wouldn't be that sturdy due to layering
We might as well factory mold them for stability, (cough orangemodworks ,cough). :rolleyes:


That's not entirely accurate for the process this printer uses. Some 3d printer technology makes parts only suited for non-functional models , but FDM (aka FFF) is not one of those.

The parts aren't quite as strong as injection molded parts, and it's true that the parts are weaker in the Z axis. However, they are still very sturdy. The parts can also be made to whatever thickness you want, so could easily be designed to be have more strength than a 1:1 crossbow copy. Also,for what it's worth, all the major loads in a crossbow would be distributed along the strong directions of the print (not that I want to print crossbows)

Really, the thing preventing me from running out and designing a pile of stuff to sell, is the time it takes to print things. To make a reasonable rate given the cost of the printers, it's still $10/hr to make parts. That is still a bit out of reach for many hobbyists.

If you have got/bought one to play with and don't have to support yourself making money off it, that is an entirely different story.

But as I said before, once these become more popular all the costs will decrease further and within 5 years they will probably be as common as band saws and drill presses
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#37 User is offline   cmeej 

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Posted 07 February 2012 - 03:31 PM

I can definitively see a composite, uber-comfortable shell, with snap style internals! Would you consider commissioning 3d printed blasters in the near future? How much will the Fablicator be selling for?

This post has been edited by cmeej: 07 February 2012 - 03:43 PM

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#38 User is offline   Cannonball 

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Posted 07 February 2012 - 04:31 PM

I think there is something to the idea of having printed lower and upper receivers. You don't even need to print them as functional blasters. you can just print shells that join in the middle via pins (like an AR15). The lower could just be a trigger and or a stock, and the upper can just be a plunger tube and a catch. How they are customized could be left up to the end user. You can make uppers with plunger tubes just large enough for pistol rounds, or ones large enough to be considered primaries. I guess the advantage to the system would be you have a dedicated lower with features you are already used to, with interchangeable uppers you can use to adjust to different scenarios. That way you are used to the ergonomics of the blaster regardless of the round. This should help with your aim. But I guess this doesn't matter too much since we are dealing with nerf darts here.
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#39 User is offline   Landru 

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Posted 07 February 2012 - 07:49 PM

View PostCannonball, on 07 February 2012 - 04:31 PM, said:

I think there is something to the idea of having printed lower and upper receivers. You don't even need to print them as functional blasters. you can just print shells that join in the middle via pins (like an AR15). The lower could just be a trigger and or a stock, and the upper can just be a plunger tube and a catch. How they are customized could be left up to the end user. You can make uppers with plunger tubes just large enough for pistol rounds, or ones large enough to be considered primaries. I guess the advantage to the system would be you have a dedicated lower with features you are already used to, with interchangeable uppers you can use to adjust to different scenarios. That way you are used to the ergonomics of the blaster regardless of the round. This should help with your aim. But I guess this doesn't matter too much since we are dealing with nerf darts here.


Definitely something to consider.

I just ordered a pile of springs and other parts so I can start playing and get some better ideas about what size/power I need.

Maybe I'll take commissions in the fairly distant future, but they would be pretty expensive. I'm going to try and do a bunch of open source blaster designs right now for advertising purposes (to show off the printer) and I'll be investing a lot of time into those. Hopefully something there will meet your needs.

Since it was asked, the Fablicator will be selling in the $2500-$3000 range.
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#40 User is offline   Z64052187 

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Posted 08 February 2012 - 07:39 PM

View PostCannonball, on 07 February 2012 - 04:31 PM, said:

I think there is something to the idea of having printed lower and upper receivers. You don't even need to print them as functional blasters. you can just print shells that join in the middle via pins (like an AR15). The lower could just be a trigger and or a stock, and the upper can just be a plunger tube and a catch. How they are customized could be left up to the end user. You can make uppers with plunger tubes just large enough for pistol rounds, or ones large enough to be considered primaries. I guess the advantage to the system would be you have a dedicated lower with features you are already used to, with interchangeable uppers you can use to adjust to different scenarios. That way you are used to the ergonomics of the blaster regardless of the round. This should help with your aim. But I guess this doesn't matter too much since we are dealing with nerf darts here.


It'd still be pretty groovy if you can swap out internals that accept Stefans for internals designed for stock darts, given that some places don't allow anything but stock darts...and that way you don't need to have a slew of different blasters...
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#41 User is offline   evilbunnyo 

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Posted 08 February 2012 - 07:57 PM

What software do you use to make these models. I have a 3d printer at my school and we use autodesk inventor for it. I like the fact this one doesn't need the base stuff to print since that requires acid to get off. The only drawback I see is if you want to print say an E standing vertical would it not be able to do it since they're is no support material?
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#42 User is offline   Pause 

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Posted 10 February 2012 - 01:50 AM

View PostLandru, on 07 February 2012 - 07:49 PM, said:

Since it was asked, the Fablicator will be selling in the $2500-$3000 range.


HOLY MOLY! :blink:

There goes my dream of never having to go to the store again.
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View PostDaniel Beaver, on 24 October 2012 - 10:56 AM, said:

Heh.

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#43 User is offline   dapperrogue 

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Posted 11 February 2012 - 10:45 AM

View PostPause, on 10 February 2012 - 01:50 AM, said:

HOLY MOLY! :blink:

There goes my dream of never having to go to the store again.


The Makerbot Thing-o-Matic (http://www.makerbot.com/) goes for about $1000, if I recall. I don't know how much a RepRap (http://reprap.org/wiki/Main_Page) goes for, since it is a diy sort of thing, but I would guess possibly as low as half that if you are resourceful.

I personally want a CNC mill. It's like a 3d printer, but it carves material away instead of slowly adding it (think glorified robot dremel instead of glorified robot hot glue gun). Mainly, I want to be able to machine parts out of aluminum. I've priced having a few custom blaster parts built locally, and, uh, they didn't get past the quote stage. I'm thinking about getting crafty and making my own though: http://www.instructa...com/id/DIY-CNC/

The neat thing is, the only difference between the two is that a 3D printer has an extruding tool head, and a CNC mill has a cutting tool head. The rest of them work the same.
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#44 User is offline   Landru 

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Posted 11 February 2012 - 11:22 AM

View Postdapperrogue, on 11 February 2012 - 10:45 AM, said:

The Makerbot Thing-o-Matic (http://www.makerbot.com/) goes for about $1000, if I recall. I don't know how much a RepRap (http://reprap.org/wiki/Main_Page) goes for, since it is a diy sort of thing, but I would guess possibly as low as half that if you are resourceful.

I personally want a CNC mill. It's like a 3d printer, but it carves material away instead of slowly adding it (think glorified robot dremel instead of glorified robot hot glue gun). Mainly, I want to be able to machine parts out of aluminum. I've priced having a few custom blaster parts built locally, and, uh, they didn't get past the quote stage. I'm thinking about getting crafty and making my own though: http://www.instructa...com/id/DIY-CNC/

The neat thing is, the only difference between the two is that a 3D printer has an extruding tool head, and a CNC mill has a cutting tool head. The rest of them work the same.


The Makerbot Thing-o-Matics are fun kits, but they do have their drawbacks (print size, part quality). They usually run for about 1300 and I believe they are begin discontinued for a new printer costing 1750 (but I don't know for sure)

You can certainly make your own printer from scratch, but it takes a looooong time and a lot of knowledge to get it working well. That's how I started, actually (www.reprap.org)

A cnc mill and 3d printer share a common principle, but things purpose built for either are not ideal for conversion. CNC mills generally are pretty slow for 3d printing, as rigidity is far more important than speed when cutting aluminum. Also, 3d printers require a heated printing surface and temperature control for the extruder which makes CNC conversions a little tricky.

As for support material, my printer can auto generate sparse support with the same material it prints the object with, which just gets broken off after the print is done. It takes some effort and leaves less than ideal surface finish, but it works for most things.

I make all my models in Solidworks.
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#45 User is offline   TxNerfer 

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Posted 11 February 2012 - 05:49 PM

Great work. Looks really solid. Also, I don't understand the hype over crossbow shells. They kinda suck, not sure why the first thing that comes to mind when they see this is zomg crossbow. Anyways, keep up the work. You could make some really interesting stuff with this shit.

 Zorn, on 13 December 2011 - 07:31 PM, said:

1. Thank you, I take donations in horse/wolf porn
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