Foam Dart Pistol by vik

Toys & Games Mechanical Toys

Foam Dart Pistol

vik

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Published on April 2, 2011

This thing was Featured on April 4, 2011

Description

A pistol that can shoot NERF(TM) foam darts (amongst other things). Needs nothing other than some filament, 3 printed bits, 2 rubber bands and a foam dart.

It seems to generate more power than yer average foam dart gun, because I'm not bound by children's toys regulations. So, test it before using it in combat games.

It's parametric so you can change the grip size, dart dimensions and all sorts of stuff. No sights yet, and it could do with some clip on fancy grips, so hack away :)

Instructions

Print. Knock the follower forward into the barrel and move it around a bit to clear fluff. Ream out any clogged pivot holes to 3mm. Use 2 short lengths of 3mm filament for the sear and trigger pivot points. Tuck a longer length of filament in the hole at the front of the handle until it pokes out the back. This is a spring to hold the sear in the "up" position. Melt filament pieces into place. DO NOT melt the spring to the sear. Fit two rubber bands, pull follower to the rear until it engages firmly with the sear. Poke a dart down the barrel, aim at something that doesn't care and squeeze the trigger firmly.

If you do not have 3mm filament, here are printable pins and springs thingiverse.com/thing:43551

Assembly video here:
youtube.com/watch?v=auKLBw5P9bQ

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cymon on February 23, 2012 said:

So now that everyone is moving to 1.75mm filimant are we going ot have up update this?

vik on February 24, 2012 said:

No, everyone is not. It allows you to use weaker stepper motors on the X
&
amp; Y axes but at a 2-3 fold increase in filament price per kilo.

Most home builds won't notice any accuracy gain from 3mm to 1.75mm filament, just an increase in price.

biednick on February 16, 2012 said:

Is this too big for a cupcake printer with the standard platform?

tzzhc4 on February 23, 2012 said:

It is a wee bit too tall for my TOM (~5mm) but you can chop off the top a little and it still works fine.

syvwlch on May 7, 2011 said:

Oooh, I know just the young man to convert to thingiversism with this Thing. Thanks!

Lenbok on May 7, 2011 said:

Even has adjustable power, just increase or decrease the number of rubber bands!! Works well!!

Lenbok on May 8, 2011 said:

However, I recommend that if you are going to use plenty of rubber bands (I had two fairly strong ones on each side), you should print with high infill or strengthen the rubber band attachment points to prevent them snapping off (I know from experience).

Ishanina on April 30, 2011 said:

Thats great. Thank You.

Ishanina on April 30, 2011 said:

Do you need a spring?

Ishanina on April 24, 2011 said:

can you make it so you can print a bullet too?

Ishanina on April 30, 2011 said:

Can you tell me the measurements of the bullet.(Or how much I need to stretch it by)

vik on April 25, 2011 said:

They'd be a bit solid if they hot you, but sure. I think there is a bullet model on Thingiverse - all you'd have to do is scale it to suit. Ah, here we are: http://www.thingiverse.com/thi...