The discussion of the Alien series of films and the props used in them is the aim, but if it's got Big Bugs and Big Guns, then they are welcome too!





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 Post subject: Re: Marty's M56 Smartgun build
PostPosted: Sun Jul 28, 2019 2:40 pm 

Country: Czech Republic
The AR125 hangers are finished, I added some details to the underside and that big mounting point on left side hanger. It's been no easy task thanks to all those bevelled surfaces and filleted edges, but I'm pretty satisfied with the results.
I printed the left side part overnight, can't wait to have more physical parts and prints aside from the ammo drum, foam grips and the bike switch. Time to shift my design efforts to that MG42 model.

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PostPosted: Sun Jul 28, 2019 3:18 pm 

Country: United Kingdom
looks great. nice work


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PostPosted: Sun Jul 28, 2019 11:29 pm 

Service Number: a02/tq2.0.12143e1
Country: Australia
awesome job on the 3d print file


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 Post subject: Re: Marty's M56 Smartgun build
PostPosted: Wed Jul 31, 2019 5:22 pm 

Country: Czech Republic
Thanks, guys! I printed the right side hanger, time to move on to the main parts of the gun. Some more parts arrived in the mail, including an almost mint Reflecta 3002 lamp. It's so nice that I felt a little bad for having to take it apart and re-purpose it. I tried a quick mock-up with a halogen bulb since I had to order a correct looking LED from overseas. 12 halogen might work as a temporary solution, but it would chew through any battery with over 2 amps of current draw.

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PostPosted: Thu Aug 01, 2019 3:38 am 

Location: Wellywood, New Zealand.
Service Number: A10/TQ0.0.82146E1
Country: New Zealand
Very nice! Just curious, but what do the printed hangers weigh?

Also, can I get details on the "correct looking LED" please? This too is on my workbench backlog :)

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Cpl Aron "Septic" Williams
A10/TQ0.0.82146E1


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 Post subject: Re: Marty's M56 Smartgun build
PostPosted: Thu Aug 01, 2019 8:58 am 

Country: Czech Republic
Thanks, septic. The printed stuff is usually lightweight, these came out at 90g and 95g. I print most of my cosplay stuff with wall thickness of 1mm and the rest is only 15% infill, that's where you get the low weight.

For that "accurate led", I was pretty disappointed with the options at first, most MR16 LEDs look nothing like their halogen counterparts. I was able to find detailed pics of shoulder lamps that were sold in auctions and there seem to be at least two versions of the original lamp.
Number one is with an all-glass halogen MR16 bulb
Number two seems to have an aluminium reflector and a smaller glass bulb (no idea what's the designation on that)

This seems to be a pretty good match for the all glass variant
I ended up ordering a couple of these (aluminium reflector with a COB led in the middle)

It's been a frustrating search, most LED 12V bulbs have some sort of fresnel lens or at least a cover over the LED itself

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 Post subject: Re: Marty's M56 Smartgun build
PostPosted: Thu Aug 01, 2019 11:53 pm 

Country: Czech Republic
Made some progress on the receiver/barrel shroud combo, the different radii and sheet metal features were the hardest part. The gun will split into two parts at the trunnion and there will be a "tube in a tube" reinforcing piece in the middle to give that joint enough rigidity.

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 Post subject: Re: Marty's M56 Smartgun build
PostPosted: Thu Aug 15, 2019 10:21 pm 

Country: Czech Republic
The front half of the receiver is starting to look like a smartgun! AR125 struts are positioned as best as I could match them to screen caps an behind the scenes pictures. It's interesting that the front mounting points for bike struts seem to be slightly different between the two guns, just like there were small differences between different hero pulse rifles.
Making a model of the IR camera was a bit of a pain since there are almost no clear pictures that show its details (and it's at different angles in different pics since it's held in place with tape)

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