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Discussion Starter · #1 · (Edited)
Building a portal from hell. Edited basically done the project

Edited 11/2/2021

This is still one of my favorite props that gets broken out every year . I wanted to add what I would do different if I made this today. A lot of this tutorial is based on putting a bunch of different color string lights into great stuff foam. Over the years some of the lights stopped working and honestly it was a pain to keep track of the batteries and which battery pack went with what.

Last year I pretty much ditched the string light aspect and painted the various parts of the the portal with black light paint which I sealed so that it would not wear off in the rain. Add a black light or two and it really pops and I think looks good. I included recent pictures in post #27. If I were to still do any string lights, I would only do the ones in the bones and skull around the border.

So if doing this today….. I would use black light paint instead of the string lights.

___



Edited to add a list of supplies, links and approximate cost for the project if anyone is interested.

Devils mask and hands, I got them for %50 off after Halloween. Listed as $35 and $10. Obviously there is a ton of other options for what you will have coming through the portal.

4x8 1/4 inch plywood from home depot. $21

4 1x3's $2 each $8 total

Mask $35
http://www.spirithalloween.com/product/ca-diablo-over-the-head-mask/?UTM_campaign=CSE:GOOG_PLA:RKG&adpos=1o1&creative=41754424066&device=c&matchtype=&network=g

hands. $10
World's #1 Halloween Costume Store - Spirithalloween.com

Mannequin Torso from Amazon. $25
http://www.amazon.com/gp/product/B00K97RUHU/ref=oh_aui_detailpage_o05_s00?ie=UTF8&psc=1

6 sets of red battery powered lights. 15 foot string, 50 lights. $8 or $48 for all
http://www.amazon.com/gp/product/B00WE1NOFQ/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1

8 sets of green battery powered lights. 15 foot string, 50 lights. 8$ or $64 for all
http://www.amazon.com/gp/product/B00WE1NOFQ/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1

I had a bunch of zombie lawn stakes laying around which I use as the hands for some of my props. I put one in the devils glove to fill it out. You can get them from Amazon for $8.
http://www.amazon.com/gp/product/B0097B6TAS/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1

1 can of red spray paint from Walmart. $4

1 can of black spray paint from Walmart. $1

12 cans of Great Stuff from Walmart. I stretched it but would have felt more comfortable with 1 or 2 more cans so 14 cans. $3 each, $42 total.

Water bottles from Acme for arms/legs. $3 for case

4 dollar store tupperware containers. $4

18 inches of flexible copper tubing for the tale.

Bones and skull for the border. I had a bunch lying around from Costco skeletons cut up from previous projects that I was trying to figure out what to do with. I have no idea where to get decent price bones from. You could use styro foam or other things for the border.

And that's about it. I hope this helps.








I had an idea for a prop which I started today. The outline for the idea is here.

Static: - Brainstorming an idea for halloween

Edited to add the completed picture.

Green Light Red Lighting Neon sign


Edit to add a picture that gives a better explanation of what I am trying to do now that I have been working on it.

View attachment 242122

Basically I am using the idea that people have posted for making coals to create a portal of the devil coming from one dimension into this one. It will have his head, body, one arm, one leg and his tale coming through. I am posting the way I do it here and am hoping that it turns out the way I envision it. I will be working on it for a while and just started fleshing it out tonight.


I am currently working on part of the devil.

1. I used a styrofoam head to fill in the mask. I ordered a white mannequin form and applied a couple of coats of red spray paint. After the paint dried I added a light misting of black spray paint to get it to look close in color to the devils head.

Red Pink Automotive exterior Material property Magenta


Red Pink Room Mouth Muscle


In addition I start working on the portal. I decided to make it in the shape of a door. I am using 1/2 inch plywood cut to 78x38. I had my 8 year old son start painting it white tonight with outdoor paint. He is going to put a couple of coats on it over the next couple of days. I am going to frame the back with 1x3's to give the plywood some extra strength and rigidness as well as give me the ability to set some controls in the back.

I am framing the door with some old leg bones I had lying around. I am going to string lights through the bones so they glow at night. They will be a different color than the rest of the portal. The bones were not translucent so I sanded the outside of the bones down a bit to get rid of the outer coating and thin the walls a bit. I think that they will be translucent now but will not be sure until I get my next string of lights in the mail. You can get a general Idea of what I am doing with the devil though there is a lot of work left. Basically once I have all the pieces of the devil the way I want (I still need to make an arm, the tail, a quad, and a lower leg with a cloven hoof) I will attach them to the plywood. I will string lights all around the devil using the "coals" method and add good stuff. My hope is that it will look like the devil is coming from another dimension through the portal.

Wood


Wood Hardwood Table Floor Furniture


Table Furniture Wood


Floor Wood Hardwood Table Furniture


Wood Furniture Table Hardwood Wood stain


Floor Flooring

I will update the thread as the project progresses assuming I don't totally screw it up.
 

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Discussion Starter · #8 ·
Got some more done today.

Green Light Lighting Technology Animation


First I framed out the back for support and shelves to hold the light controls.

Product Wall Furniture Shelf Handrail


I made grooves with the sander so I will have more options of running the wires when l get to that point. (Edited to add, this step was not necessary, i did not use the grooves at all)

Table Wood Furniture Plywood


Tool Automotive exterior Bumper Machine Power tool


I will be using a door knob bit to cut holes to run wires.

Table Machine Workbench


I drilled holes in each ond of the bones and strung lights through them.

Table Furniture Wood Machine Indoor games and sports


I used great stuff foam to attach the bones to the board. I will be shaping some of the excess foam tomorrow.

Cake Dessert Floor Table Soil


The foam worked very well. Next step will be figuring out how to get the devil the way I want him.

Green Light Lighting Technology Neon


The skull looks better in person. The camera is washing it out a bit.

Green Light Lighting Neon Laser


Green Light Lighting Neon Visual effect lighting
 

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Discussion Starter · #10 ·
Got a bit more done today.


Table Performance Stage Event Performance art


First I started working on the cloven hoof. I cut a 1x3 down to about 1x2. I originally painted part of it red but it turned out that did not matter because I took it a slightly different direction.

Table Wood Plywood Floor Furniture


Wood Table Art


I wound up taking some old water bottles, cutting off the top and bottom, slicing it up the middle and painting them red/black and wrapping them around the arm and leg. It gives them a more rounded look and imo more unnatural/creepy look.

Plastic wrap Paper


Material property


Flesh Fictional character Art


Flesh


Flesh


I used a dremel to taper the torso. I wanted to make the waist closer to the plywood than the chest to give him more of an emerging look.

Art


l still need to clean up the arm and leg a bit. Other than that I am waiting for my next shipment of lights for the portal to arrive.
 

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Discussion Starter · #13 ·
Getting to the end.

I laid out the wires and put down the great stuff foam today.

At the start of today.
Art Fictional character


I ran the lights. I went with 15 foot strands of battery powered lights on a timer so that I have a lot of leeway where I put it and can easily move it around. The lights seem waterproof but I also made a casings to house the battery packs out of dollar store tupperware. Figure the extra barrier between any bad weather cant hurt.

Floor Plastic


Electronics Room Machine


Room Linens Textile Bed Bed sheet


Finally added the great stuff. Now to wait for it to cure so i can put the portal upright and see how it turned out.

Table Furniture Countertop Room Wood


Room Furniture Interior design Textile Floor
 
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