Step 4: Cut the Pieces!

Now, use what you (hopefully) learned in the last three steps and cut the end and wood piece.  The dimensions are in the pics for this step.

When you're done, get some finer sand paper and do a final sanding by hand.  You can't get a very good finish on the lathe since the glue joints will make the sandpaper bounce, so just take the extra time and do some sanding by hand.  The wood piece doesn't need to be very good, if you leave it roughish it makes a good wood texture. 

For the tip of the rocket launcher I didn't have a good way to accurately cut foam so I did a rough job with a drill bit then put a PVC pipe in the end.  With a little wood glue to fill the big gaps and some layers of Mod Podge on top it blended in nicely.

Once you're done sanding put some layers of Mod Podge on the pieces.  We did 3 or 4 coats on each.
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<p>Nice instructable dude! I am making something similar to this, but i am trying to put a nerf laucher in it so it actually shoots &quot;Rockets&quot; :)</p>
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MAGGOT! I have a question for you, where did you get your jacket?
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<p>Hi, awesome rocket launcher!! My son is dying for one of these for his Halloween costume. I am a single Momma and there is no way I can build this thing! lol Is there any way you would consider building one for us? Of course, we would be willing to pay you for the materials and your time. Thank you! </p>
<p>this is awesome. Do you think I could carve the wood piece out of actual wood (like Pine)?</p>
<p>that part, and the front of the barrel at the end?</p>
<p>You should make a sentry or a dispenser. That would be killer</p>
Waah, this is well-done, I would like to make the same, but, I got aquestion: Lengths are in inches, is not it? <br>(Sorry for my bad english)
They should be in inches, I glanced through and the only part that might be in mm would be the handle.svg but I believe that includes unit data so it shouldn't pose a problem. Let me know if there's a specific part you have trouble with.
Have you had any issues with the pink insulation foam snapping/in danger of snapping yet? I've heard it's brittle, so I get all antsy when the foam is being made into something long...
I also think layering the foam adds a lot of strength since the glue makes a nice thick, rubbery layer in between the foam pieces.
The foam is pretty strong structurally, the biggest problem is it dents easily. The cone also likes to come loose because the hot glue joint will just slowly rip off a layer of foam. I usually add some more glue to the cone before every event so I can stand it up without it leaning.
Someone deserves a high five. Come here, Cupcake<br>
I like the soldiers stash you got going on there ;) There needs to be more of these
I dig it! Foam on a lathe, I need to try that.
The girls with the toilet cannon is pretty sexy
Can you make a tutorial on how to make the costumes and the Max's Severed Head Hat? Cuz those are awesome..
FIRST. also this is pretty awesome <br>

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