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woensdag 18 januari 2017

Tiff's Axe

This was supposed to be my first video tutorial. I had my camcorder with me all the time while I was working on this, and recorded about 100 gigabytes of raw video footage. However, when I was editing the video, I realized how horrible I am at speaking in front of a camera. At first it didn't sound that bad, but the longer I listened to myself blabbering the more I hated it. Sorry, it's just too embarrassing to put online. Let's just say I sound like a complete jackass. Of course, I didn't take any pictures, so for this post, screenshots of the video footage will have to do!


So what am I building? My wife and me both love the board game Zombicide, and the player characters of the game are perfect for cosplaying. This particular weapon is Tiff's axe, from the "Angry Neighbours" expansion. Besides the axe, she also carries a submachine gun, wich will be the next project! In fact, my next project will be three submachine guns, since I will be going as Doug from the base game (wich I'm pretty sure is based on Michael Douglas' character from Falling Down).

Materials
  • Lumber, about 100x18mm (from my pile of leftovers)
  • Bolts and nuts
  • 2mm Steel rod
  • Acrylic paints
  • Wood varnish
  • EVA foam
  • Contact cement
  • Book binding glue
  • Construction glue
  • Acrylic caulk
  • 4mm PVC foam sheet
The handle
The axe handle is shaped like a bass guitar neck, complete with frets and tuning posts. To create a template, I used a picture of a bass guitar as a reference, along with the dimensions. I traced it in Inkscape, printed it and cut it out. Next, I traced the outline on a board of wood I had lying around and cut it out with a jig saw (wich I borrowed from my dad, since I don't have one myself).


The back of the handle had to be rounded with a hand plane. I had never used a hand plane before, and I was a bit clumsy with it from time to time. Luckily, the wood I used was quite soft and easy to plane. After planing, I used my bench sander to smooth the wood.


Like on a real guitar, the handle needed frets; simply painting on some lines wouldn't be good enough. I experimented with steel wire, nails and toothpicks a bit, without success. Then I found the perfect material in a local craft store: thin spring steel rods, about 2 mm. Very hard to cut (don't try wire cutters, it won't work, you need a grinding wheel), but it doesn't bend easily like normal steel wire. I cut slots in the handle where the frets would go with a hand saw and widened them a bit with a file.


Before I installed the frets, I painted the wood. I used regular acrylic paints, thinned down enough so the wood grain would still show through. The fretboard is painted in a dark brown, the rest in a lighter brown. I also painted on the markings on the fretboard and a biohazard symbol on the headstock using masking tape and a biohazard logo printed out and transferred with carbon paper.



Next, I gave the wood its first clearcoat and put the frets in place. I first cut lengths of the steel rods with my Dremel and a grinding wheel, and then rounded the ends a bit so there wouldn't be any sharp edges. To secure them into the slots I cut I used Tec 7, a construction adhesive that's strong enough to build skyscrapers. It comes in several colors, including brown, wich was perfect! I used a toothpick to put a bit in the slots, pushed the frets in and wiped away any excess that squeezed out. When they were all in place, I clamped another board on top of it and let it dry.


At this point, it still looked way too clean (not at all like something you've been carrying around in Zombieland for a while), so I applied some aging techniques. First, a dark brown wash all over the wood. This is the reason I clearcoated it first, because without it, the diluted paint would stain the wood too much. I just wanted a thin wash over the wood. After the wash, I drybrushed some light brown on the fretboard to make the color look a bit more fadedand when that had dried, a final clearcoat.


The blade
The axe blade is made out of 10 mm EVA foam floor mats, 4 layers sandwiched together. I had drawn a template in Inkscape, printed it (I'm so glad I have access to an A3-size printer) and transferred it to my foam. I cut the shapes out roughly and sanded the texture on the back away on my belt sander.


When the foam was sanded, I cut the pieces out a bit more precise (a few millimeters from the line I drew) and made a hole for the handle in two of the four pieces. To make sure the glue would stick to the handle properly, I sanded a bit of the paint off again.


For large surfaces like this, contact cement from a spray can works best. Also, the liquid cement I thought I still had had completely hardened because I didn't seal the can properly, so I didn't really have a choice. I first glued the two middle pieces, the ones with the hole for the handle, together, then one of the outer pieces, put the handle into place and finally the fourth layer.


The blade now was a single, solid block of foam. There was still a little gap around the handle, though. I fixed this with a bit of acrylic caulk. And I've probably already mentioned this before, but I'll say it again: make sure you've got acrylic caulk and not silicone, because you can't paint over silicone! Next came the messy task of sanding the blade into shape. Outer edges were done on the belt sander, inner edges with my Dremel and a sanding drum.



After the blade was sanded into the right shape, there were two things left. One, the cutting edge. I first cut away some foam with a knife, and then again to the belt sander. Two, there's a groove that runs across the blade. This was made by lightly scoring the foam with a knife, and then heating it with a heat gun, causing the cut to open up.



Painting
With the blade finished, there was one thing left to do: painting. As always with EVA foam, the most important thing is a good primer. There are lots of different methods, the most popular one being Plasti Dip, wich is hard to find here in Belgium, but my preferred method is a mixture of acrylic gesso and book binding glue. This adheres to the foam very well, and stays flexible so it doesn't crack.


I applied three layers of primer with a paint roller, and then a few layers of pure acrylic gesso over it. After it had fully dried, I sanded the entire blade, starting with 100 grit sandpaper and working my way up to 400 grit. That's why I used gesso on top of the primer. It's perfectly possible to paint directly over the primer, but the glue mixture, due to it's flexibility, can't be sanded very well.
After sanding and cleaning up the base coat, it was time for the actual paint job. First, a layer of gray spray paint, followed by a wash of dark gray. This was then clearcoated with a layer of matte varnish. On one of my previous projects, I painted on my metallic finish first and then clearcoated it, but this took away the metallic effect a bit, so this time, I clearcoated it first, and then drybrushed a thin layer of silver paint over it.


After the silver paint had dried, one last finishing - and messy - touch was needed: blood! I mixed some red and brown paint (pure red is way too bright and not really convincing), thinned it to a creamy consistency and then splattered it on with a brush. This is a messy process, and paint flies everywhere, so old clothes and lots of newspaper are a must for this!



The final result
There's one detail I added but forgot to document. My wife pointed out I forgot the tuning screws. I made these out of 4mm thick PVC foam sheet. I glued three layers together, carved and sanded them into shape, painted them and glued them in place.



And here's the finished axe in all it's bloody glory! Too bad the video I wanted to make didn't turn out the way I wanted it to. I still plan to make video tutorials in the future, though, but they probably won't involve me talking in front of the camera.

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