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Author Topic: Scratchbuilt Sprue scifi firearms - 15 mm upwards  (Read 1652 times)

Offline zrunelord

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Scratchbuilt Sprue scifi firearms - 15 mm upwards
« on: July 08, 2020, 03:03:01 PM »
Hello again all,
Here;s a short tutorial on how to build hand weapons using just sprue.
Simple build.
My tools are fine point clipper, a tile snipping pliers for plain flattening & a flat tip long nose pliers for texture flattening.
Chopping tools are made from ground and sharpened broken off blades ( have to be short for robustness & very sharp for clean cuts ). Needless to say sharp means dangerous , so do be careful with blades.

( having said that , even blunt crochet needless are said to be deadly in the hands of very upset grannies  :D :D ;))

Thin flat, triangular, square & round files ( I put a piece of plastic on my round file as it has a nasty point which can poke an eye if one is not careful)





1) All sprue is equal but some are more equal than others. This means choose the sprue bits you like.

2) Chop off sprue slightly longer than needed. Clean off sprue with flat file to have a decent flat surface. Cut sprue end at a chamfer ( blade bevel has to touch sprue so that blade slides at an angle as it cuts. Putting the flat side will result in a straighter cut ).

Drill exit hole now as later might be difficult to do.





3) Flatten end either cold or hot ( hot means it is very painful if molten plastic sticks to your finger !! ) after heating on tea candle ( the 2 on the right are cold flattened the rest hot ) Notice cold flattening crushes the plastic whilst hot takes the pliers indentations better. Mind your fingers when pressing as it is very easy to crimp them in the pliers.



4) Using files , file away shapes to create butts , hand grips etc until you are satisfied with general shape.



5) Prepare small pieces of sprue, pulled heated sprue etc ( for garnishing :):):) )



6) Start to glue the pieces to your hearts content.This lot took around 45 mins or less to make.
They're scaled for 15/18mm like the ones I used for my McGraw gang







Thanks for your comments.
Z
« Last Edit: July 08, 2020, 03:05:23 PM by zrunelord »
http://castrarunis.blogspot.com/

Imagine & you can.
Most see shapes you must see possibilities.
Z

Offline has.been

  • Galactic Brain
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Re: Scratchbuilt Sprue scifi firearms - 15 mm upwards
« Reply #1 on: July 08, 2020, 05:29:14 PM »
Great ingenuity.

Online Ultravanillasmurf

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Re: Scratchbuilt Sprue scifi firearms - 15 mm upwards
« Reply #2 on: July 08, 2020, 06:39:06 PM »
Thanks for that.

Offline War Monkey

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    • Silo1313
Re: Scratchbuilt Sprue scifi firearms - 15 mm upwards
« Reply #3 on: July 08, 2020, 07:51:27 PM »
Great idea, and tutorial!
Just remember "If the Enemy is in range, so are YOU!

http://silo1313.blogspot.com/

Offline zrunelord

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Re: Scratchbuilt Sprue scifi firearms - 15 mm upwards
« Reply #4 on: July 09, 2020, 06:44:41 AM »
Thanks for liking it,
Hope you find it useful.

My first tutorial, and will do more. ;)

Note whilst sprue does have limitations,  it can be applied to do so much more, for e.g. blades, heavier versions, larger scales etc.

Z

Offline Cacique Caribe

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Re: Scratchbuilt Sprue scifi firearms - 15 mm upwards
« Reply #5 on: July 09, 2020, 11:33:09 AM »
Pure genius!

Offline zrunelord

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Re: Scratchbuilt Sprue scifi firearms - 15 mm upwards
« Reply #6 on: July 09, 2020, 05:04:25 PM »
Thanks for the praise Dan. :D :D :D.
Will post more.

Z

Offline CookAndrewB

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  • Posts: 1734
    • 3d designs can be found at Thingiverse
Re: Scratchbuilt Sprue scifi firearms - 15 mm upwards
« Reply #7 on: July 13, 2020, 08:08:13 PM »
Man, that is good looking stuff there, Z. I am definitely going to give that a try!

Offline zrunelord

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Re: Scratchbuilt Sprue scifi firearms - 15 mm upwards
« Reply #8 on: July 16, 2020, 12:31:53 PM »
Thanks Cook,
You really should. Very easy to do ,much simpler than pushing putty as the sharp straight edges are ready. Yes?
My advice is to prepare and build the mini's hand/appendage/proboscis on it.
Stick a piece of wire in it so that it can then be easily inserted into the mini.
By far the best pins I found are hair pins , cheap, easily cut and bent into shape.

These 2 new ones are different & need more filing to create the grip.





Enjoy
Z

Offline zrunelord

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Re: Scratchbuilt Sprue scifi firearms / weapons - 15 mm upwards
« Reply #9 on: July 18, 2020, 01:33:03 PM »
Hello again all,
And so as promised here are Heavy Weapons

I had no plan for this I was just cutting & shaping sprue and then gluing .. and see where that will take me.Again sprues are chosen & cut to an appropriate size. So I decide for a twin over & under flak kannon. Holes are to be drilled before hand.





















I then continue to choose bits of sprue to bulk up build.



More bits are cut & shaped using the tools shown.





Here is what happens when you use the wrong tool, I tried to form cold sprue which is basically a hard material & I grabbed in distraction a thin long nose. One of the points broke & flew... luckily not hitting me in the face. Pity I had that tool for ages, now I will have to find a replacement. It pays to be careful & not get distracted.
Another thing when you press grab it with both hands, this alleviates the pressure on your wrist. I had carpal tunnel syndrome lots of times ( basically severe hand nerve tingling ) due to over pressing with hand... who said scratchbuilding wasn't dangerous !!!???  :(



The build continues until I had this.









And here is a selection of hmg's mortar, rocket launchers etc.... all using sprue.
The small tan one is a GW Epic squat thudd gun.





Thanks for your comments.
 Z
« Last Edit: July 18, 2020, 01:36:40 PM by zrunelord »

Offline has.been

  • Galactic Brain
  • Posts: 8236
Re: Scratchbuilt Sprue scifi firearms - 15 mm upwards
« Reply #10 on: July 18, 2020, 02:38:37 PM »
I continue to be impressed. Any pictures of the heavy weapons painted up?

Offline zrunelord

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Re: Scratchbuilt Sprue scifi firearms - 15 mm upwards
« Reply #11 on: July 18, 2020, 03:17:07 PM »
Thanks,
No not yet Hasbeen...
Soon...ish  ;)

Z

 

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