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Making Water Cavern Tiles with the Hot Wire Foam Factory

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Minileed

Rank: Competent

Post ID: 91135, posted on February 28th

The Finished Product

My goal was to create good looking terrain that's not going to look out of place next to time consuming, costly, and heavy plaster cast pieces or the expensive prepainted modular terrain, and I want to do it on the cheap. The materials required are very cheap, and while a couple of the tools I've used are going to cost a bit up front, hopefully you'll see how very quickly they'll reveal their value.

First up, here's a shot of the materials required for this project. As you can see I've got all the usual suspects lined up, including a couple of different paints, some brushes, an X-Acto knife, a Hot Wire Foam Factory engraving / scribing tool, a T-square, a cutting mat, my custom textured rolling pin, a bag of sand, some glue, and the star of the show - a piece of foam core from the dollar store.

Gathering Up The Supplies

These sheets from the dollar store near me come in black or white, and measure 20x30 inches, or approximately 50 x 75 centimeters. That's a lot of material for the money, but its value doesn't really show until you look under the surface.

Foam Core

That's right, you'll actually want to peel the paper off to reveal the lovely foam in the middle. To do that, I generally lay the foam core flat on the table, and start in one corner. I've chosen the black foam core because I find the paper peels off more easily for some reason.

Start To Peel In The Corner

And with a bit more effort, keeping the foam flat on the table and sliding my hand under the paper, the surface is revealed...

Peeled And Revealed

Now that you have the foam surface, you can mark it for cutting. Here I've measured four inches and am ready to make the cut, as my tiles will each be a four inch (10cm) square.

Measured And Marked

Here are two strips cut at four inches, each 20 inches long.

Cut Into Strips

Now I've used my textured roller, which is a cheap wooden rolling pin with scenic gravel glued to it, and then covered with a two part sculpting epoxy called magic sculp, which I can use to quickly roll texture into the surface of the foam. I'm only texturing one of the strips because I'm gluing the textured top layer to the smooth surface of the other layer, which will be painted to (hopefully) look like water.

Note : My roller is NOT required for this part of the process. You can easily get a textured surface using real rocks that you press into the surface of the foam, though that takes more time. Alternatively, you can use rolled up aluminum foil that still has some of its bumpiness, and roll that in a ball over the surface of the foam to create your texture. I've made this rolling pin, so I use it.

First the roller itself...

The Perfect Tool For Texturing Foam

And the foam after I've rolled the texture on. Just a few quick passes of the rolling pin creates the texture you see here.

Texturized

Once that's done I'm cutting my strips into the previously mentioned four inch squares.

This Project Requires Lots Of Squares

Now I'm marking off a corner section for my cavern piece, with a one inch border to allow for standard RPG use...

Marking A Corner Tile

And I've cut that out. I used an xacto knife because that's what I have, but you could also use the Hot Wire Foam Factory cutting tool for this step, and you wouldn't have to worry about tearing the foam or replacing the blades regularly.

Cut That Out

And now it's glued onto one of my non textured squares. I've been using tacky glue but the Hot Wire Foam Factory makes a glue specifically for use with foam that can then be cut through with their foam cutting tools. That product is called Foam Fusion.

This Project Has Layers

Here's a solid piece as well as a blank water tile. I actually made several pieces all at the same time, but didn't photograph every piece as I was making it, but this will show a couple of the tiles in progress.

Ready To Burn

Now open the window, plug in the Hot Wire Foam Factory scribing tool, and turn it on.

Turn Up The Heat

Then, if you're like me, you wait for the tool to warm up and wonder why it's taking so long and then notice you didn't turn the tool itself on, just the base unit. Oops. Okay, now with the tool turned to on we're ready to go.

It Helps To Turn On The Tool

This is the first square cut into the piece with the Hot Wire Foam Factory tool. It's a great tool for creating the more natural lines required for the look I'm trying to achieve, much much better than trying to do it with a knife and pen, and super fast to boot.

First Engraved Square

How fast? These two sample pieces were gridded up in less than a minute. I'm just eye balling the lines here, using my cutting mat as a guide underneath the tiles. I wanted a one inch grid for game play purposes, but because I want it to look more natural, as long as the grid is generally there you don't have to be particularly precise.

Thank You Hot Wire Foam Factory

I know I've only got two photos showing the Hot Wire Foam Factory tool in use, but I can't over state its usefulness in this project. Without it, I really wouldn't have been able to achieve the look I'm going for on these tiles, and it made the process very quick.

Now I'm going to put some sand around the shore line for the corner tile so that there's some more interest to the piece when it's painted up, and to make it look like a more gradual water line. Trying to make it look natural, not man (or dwarven) made. For this step I just mixed up some of my sand (nabbed from the kids' sand box outside) some wood glue, and some water.

This Part Looks Messy

Using a plastic knife (you could use a small spatula or spoon I'm sure), just kind of slop it on, where you want it to go. In my case, I just wanted a thin border around the edges, to about a half an inch out at the edges so my pieces will line up well next to each other.

First You Splop

Then You Spread

One piece of foam core is enough to make a couple dozen tiles or more, depending on the type of tiles you're making. The edge pieces only take one inch strips so one square of textured material can go onto four of the untextured tiles. Here's a shot of just some of the tiles I've gotten to this point so far.

A Bunch Of Tiles

After assembling the tiles, I went out and got some cheap green craft grade acrylic paint. I'm using a Hunter Green color from Apple Barrel. I based all of the water with this green, and to create the shallower water lines around the edges, I just used the same color but watered down.

It's Not Easy Being Green

And here's a shot after basing the rock tiles in black, showing all 48 tiles constructed so far.

Back In Black

After dry brushing the rock (I used Apple Barrel colors again, Toffee Brown for the first dry brush, and white for the second dry brush), I used an acrylic gloss medium to put some shine on the water.

Born To Shimmer Born To Shine

In future versions of these tiles I'll probably spend some money on a higher quality medium, because the gloss medium I used doesn't really scream "water" when all is said and done. Still, my total cost for the project in materials is under ten dollars, not counting the Hot Wire Foam Factory tools or my textured rolling pin, so in terms of having very playable pieces on a budget, I really can't complain at all.

Hope you've enjoyed the project!



Last edited by Minileed; on February 28th; edited 2 times in total

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asdel

Rank: Competent

Post ID: 91136, posted on February 28th

The resulting project looks good and I am glad you completed it on time.

Minileed said:


And now it's glued onto one of my non textured squares. I've been using tacky glue but the Hot Wire Foam Factory makes a glue specifically for use with foam that can then be cut through with their foam cutting tools, and I believe that product is called Foam Fusion.


I can confirm this, so you could replace "foam cutting tools, and I believe that product is called Foam Fusion" with "foam cutting tools, Foam Fusion", if you want to change your tone to a more authoritative voice.

I am expect Andy will chime in on this, too, but wiki entries shouldn't point to external sources. You should probably drop the links behind the pictures. The notion is we shouldn't create links to resources that may, in ten or fifteen years, not exist. (I know, I know, I used a link in my wiki entry, but I linked to the product I was using, rather than enhanced images.)

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Minileed

Rank: Competent

Post ID: 91137, posted on February 28th

How do I drop the links? I assume you mean the photobucket links.

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TerraGenesis

Rank: Expert

Post ID: 91139, posted on February 28th

Minileed said:

How do I drop the links? I assume you mean the photobucket links.

At the moment your image tags are like this:

[img_r=<id>|<caption>|<url>]

You need to edit them so they are like this:

[img_r=<id>|<caption>]

I've done the first one for you but when you take a look you will see that you still need to give it a proper caption.

Edit: I just read through the rest of it and it's really good. My first thought was that it's a bit pic heavy but it's actually got a really nice flow/feel to it so I'm not going to suggest you change it. The only typo I spotted was an apostrophe in it's when it should be its. It's in the paragraph starting Note : My roller is NOT required. I could have nailed it for you but I don't want to risk editing while you're in there.

So, if you can just nail the it's, zap those links, and give the images proper captions, I reckon you're done. Smile

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Minileed

Rank: Competent

Post ID: 91143, posted on February 28th

With edits made, do you want me to delete the replies to this entry?

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TerraGenesis

Rank: Expert

Post ID: 91146, posted on March 1st

Minileed said:

With edits made, do you want me to delete the replies to this entry?

No need. The pruning mechanism will zap 'em in about a month's time. It leaves the initial post intact when pruning wiki threads and just zaps the responses.

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ableman33

Rank: Expert

Post ID: 91158, posted on March 1st

Minileed said:

In future versions of these tiles I'll probably spend some money on a higher quality medium, because the gloss medium I used doesn't really scream "water" when all is said and done.

I have had great success getting a glossy water look using polycrylic clear gloss wood finish and similar products.

Polycrylic over paint makes great flat water.

You can get it in variety of can sizes at reasonable prices, especially when compared to hobby products.

I know this comment will get trimmed soon, but I wanted to throw this idea out there for your next project.

Nice tiles by the way. Now I want to make some of my own. Smile

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Minileed

Rank: Competent

Post ID: 91162, posted on March 1st

Thanks for the tip Ableman. I picked up a Krylon product called "Triple Thick" that's a spray on gloss. I'll see how that goes and if I don't like it I'll try the polyurethane. I actually used to use that stuff all the time when I painted dragonboat paddles, though again it was the spray kind not the brush on stuff. A few coats of it and the painted paddles were ready for use in the river.

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