My Portal Gun Build
- Thread starter jeremiahjw
- Start date
Delicious! Portal gun made of scrambled eggs! It shoots eggs and for the second portal, it shoots toast!
jeremiahjw
Member
Wonderflex plastic vs Paper Mache Clay
I'm going to be covering a foam carving to make it hard and plastic looking. I'm deciding weather I should go with paper mache clay (Paper Mache Clay Recipe | Ultimate Paper Mache), or Wonderflex plastic. If I used paper mache, I would then use Apoxie Sculpt to fill in the low spots in the mache. If I go with Wonderflex plastic, I'd use the Apoxie Sculpt for definition on the edges.
The object I'm modeling out of foam will be split down the middle, and then re-attached together with sculpt, so I can add an indention down the center. If I use mache, it will be heavier than the Wonderflex plastic.
-Jeremiah
I'm going to be covering a foam carving to make it hard and plastic looking. I'm deciding weather I should go with paper mache clay (Paper Mache Clay Recipe | Ultimate Paper Mache), or Wonderflex plastic. If I used paper mache, I would then use Apoxie Sculpt to fill in the low spots in the mache. If I go with Wonderflex plastic, I'd use the Apoxie Sculpt for definition on the edges.
The object I'm modeling out of foam will be split down the middle, and then re-attached together with sculpt, so I can add an indention down the center. If I use mache, it will be heavier than the Wonderflex plastic.
-Jeremiah
jeremiahjw
Member
@santicity - It's expanding foam
Ah what the heck:
Does anyone have the unfolded portal gun?
The best model I have seen yet was the one that our member "DungBeetle" (see pepakura sticky in the costuming forum) made. The link I found for it unfortunately isn´t working anymore, so you might want to contact him about that pep file.
Michael
Does anyone have the unfolded portal gun?
The best model I have seen yet was the one that our member "DungBeetle" (see pepakura sticky in the costuming forum) made. The link I found for it unfortunately isn´t working anymore, so you might want to contact him about that pep file.
Michael
Ahh okay, that makes sense for the texture an material
jeremiahjw
Member
More updates!
For the rear casing I put together a rough shape out of Styrofoam plates.
I then added foil on the inside to get the shape of the walls.
That was then covered with expanding foam. Note: you need to get the stuff that is for cracks, not big spaces. The stuff for cracks is much harder once it dries, and it costs less.
I carved it up after it dried, but it needed some more foam added as it wasn't tall enough on the top. After the 2nd coating of foam dried, I carved and sanded it into this.
The foam part will then be covered with paper mache clay, sanded, then covered with apoxie sculpt. I did some experimenting with the paper mache and apoxie sculpt, and I really think I'll be able to get a nice smooth surface on the casings.
In this picture I have sanded the apoxie sculpt, and covered it with a few layers of primer.
I *was* going to use a pep file, but I didn't find out about them until after I had done this whole process. Since it's for video, and not being worn, I think it will be OK.
For the rear casing I put together a rough shape out of Styrofoam plates.
I then added foil on the inside to get the shape of the walls.
That was then covered with expanding foam. Note: you need to get the stuff that is for cracks, not big spaces. The stuff for cracks is much harder once it dries, and it costs less.
I carved it up after it dried, but it needed some more foam added as it wasn't tall enough on the top. After the 2nd coating of foam dried, I carved and sanded it into this.
The foam part will then be covered with paper mache clay, sanded, then covered with apoxie sculpt. I did some experimenting with the paper mache and apoxie sculpt, and I really think I'll be able to get a nice smooth surface on the casings.
In this picture I have sanded the apoxie sculpt, and covered it with a few layers of primer.
I *was* going to use a pep file, but I didn't find out about them until after I had done this whole process. Since it's for video, and not being worn, I think it will be OK.
jeremiahjw
Member
LOL! If I ever need a blob monster for a film, I now know how to make it. 
jeremiahjw
Member
Here is the latest photo of my build! I did prime the barrel since this pic, but that is all.
Portal Gun Mid-Construction by jeremiahjw, on Flickr
Portal Gun Mid-Construction by jeremiahjw, on Flickr
Looks like the Flinstone version at this stage.
It's amazing what a little bondo and sandpaper does.
Nick
It's amazing what a little bondo and sandpaper does.
Nick
jeremiahjw
Member
I ended up making the rear casing a little bit larger by extending the edges. I then covered it with clay, sanded, and primed it. I used a T-valve to create the barrel extension. Cost about $11 for that part. :-/
Portal gun with primer and sanding by jeremiahjw, on Flickr
Portal gun with primer and sanding by jeremiahjw, on Flickr
jeremiahjw
Member
How do you keep the paint from dripping down? Paint in small portions?
I think I am finished sanding the rear casing...I might have to add a few layers of primer to get it even, we'll see. I might still have to add some more clay to the barrel though.
I ordered a sheet of styrene for the claws, but it was too thin. I did get the toilet plunger handle for the light up part in the barrel, and still need to order the 3'' clear acrylic tube.
Primed Rear Casing by jeremiahjw, on Flickr
Primed Barrel by jeremiahjw, on Flickr
Primed 4'' Tube by jeremiahjw, on Flickr
I think I am finished sanding the rear casing...I might have to add a few layers of primer to get it even, we'll see. I might still have to add some more clay to the barrel though.
I ordered a sheet of styrene for the claws, but it was too thin. I did get the toilet plunger handle for the light up part in the barrel, and still need to order the 3'' clear acrylic tube.
Primed Rear Casing by jeremiahjw, on Flickr
Primed Barrel by jeremiahjw, on Flickr
Primed 4'' Tube by jeremiahjw, on Flickr
jeremiahjw
Member
Ok, a lot of updates since the last pics. The barrel parts are complete. The rear casing would be complete, but I messed up the final white gloss application, so I have to sand it off and redo it. I'm working on finalizing the front casing. The claws just need to be painted, and the faux screws applied on the outside. I finally got the clear acrylic tube. Hoping to have it completed next Friday (not sure if that include electronics).
First Paint Layer on Portal Gun by jeremiahjw, on Flickr
First Paint Layer on Portal Gun by jeremiahjw, on Flickr
THat looks GREAT! I love what a little elbow grease and determination can do!
Nick
Nick
VitaminZinc
Member
Hey, not bad. It's looking really good. Are you planning on using LEDs and such when you're done?
jeremiahjw
Member
Thanks guys! I will be adding LEDs when it is complete.
GunsAndGloryFX
Member
Not too shabby! Definitely keep it up!
