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What have you made?

Was commissioned for a holster for a rhino revolver and hasan sawn off shotgun. They specifically asked for simple stuff as these are going to be beaten up for post apocalyptic stuff. Shotgun is a real steel hammergun but its the closest thing I had for shaping it. 

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Quick question, how hard would it be to replicate this 3D printed m4 stock adapter?

I would like to have another one at some point, thanks.

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Quick question, how hard would it be to replicate this 3D printed m4 stock adapter?

I would like to have another one at some point, thanks.





That is not difficult but is not going to be very strong. Have you used it yet? The main load is in it's weakest axis (i.e. between the layers). Drop the gun on it's stock and I can see that snapping very easily.

3D printing is good for a lot of things but you need to choose carefully where you use it. Is there no commercial version you could buy? I would expect it to not be much mire than the cost of a 3D print.

 
That is not difficult but is not going to be very strong. Have you used it yet? The main load is in it's weakest axis (i.e. between the layers). Drop the gun on it's stock and I can see that snapping very easily.

3D printing is good for a lot of things but you need to choose carefully where you use it. Is there no commercial version you could buy? I would expect it to not be much mire than the cost of a 3D print.


It's for a hi-capa 3D printed carbine and I understand the stock adapater the weakpoint of the kit if I drop or something so I wanted to have some few spare to just replace it if that ever happens :D

What if the hole was more filled in to make it stronger and the bolt sits on the outside of the adapter.

Thank you any advice.

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Yes, that and infill levels will all help. The design is simple so would be easy to replicate. Would just need to get a set of calipers on it.

 
looking at that, might be better to print it on it's side so the bolt holes are going through the layers too?

 
I have ordered some calipers lol

How do you think something like this to print?

 
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looking at that, might be better to print it on it's side so the bolt holes are going through the layers too?
Agreed, that would make it stronger in the important directions but is a horrible print with supports. You can see it has been design to be printed the way it is.

How do you think something like this to print?
I am not quite sure I understand the question but this is a simple 3D print in its current orientation.

 
Agreed, that would make it stronger in the important directions but is a horrible print with supports. You can see it has been design to be printed the way it is.


yeah, question between convenience or performance i guess.

 
Agreed, that would make it stronger in the important directions but is a horrible print with supports. You can see it has been design to be printed the way it is.

I am not quite sure I understand the question but this is a simple 3D print in its current orientation.
Sorry I meant how much would something like the stock adapter cost to make?

Thanks.

 
Sorry I meant how much would something like the stock adapter cost to make?

Thanks.
If you could find a friend with a printer it would be about £1 in material and some postage. I would offer if I weren't waiting on a replacement control board from china. Commercial printing can be quite expensive as it is the time on the machine. Something like that won't take too long so I would hope £20-30. However prices vary wildly depending on how 'professional' the printing service is.

 
Thank you I really need to buy myself a 3D printer even a small one for bits like this.

Not sure the wife would go for it ???

 
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Well, since I had a few springs lying around I finally decided to making a spring power measuring device...

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Using a luggage scale you hold and pull on the orange hose fitting up to the orange line (piston length).  The scale holds the measurement so you can read it when it beeps.

Takes a few goes to get an average reading but I compared readings of known spring strengths with a friend who uses a slightly different method and our readings do correlate.

I will try to find an M10 bolt that only has threading at the top to make the pull smoother.

 
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That's a really neat idea.

Cheaper than my plan of buying a scorpion just for spring testing :P

 
Just a quick question with regards mollee spacing

Do the horizontal always have a equal spec between each of the fixings or can they be stacked up?

 
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