Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!

Perp Gun (3D Printed Nerf Gun)

by Nick_Iacobbo, published

Perp Gun (3D Printed Nerf Gun) by Nick_Iacobbo Jun 13, 2015


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Been messing around taking apart nerf guns see how they work also took apart a couple knockoffs. Challenged myself to come up with my own design and this is the result after messing around on and off for about a year I finally printed a version that works this is the 4th generation.

Coming soon 3D Printed Nerf Double Barrel Shotty...

I left the gun mostly blank except for shameless promotion but I would really like to see everyone go at it and remix remake retweak to your hearts desire right now it shoots about twenty feet all nerf guns have to shoot 75 feet so help me remix this thing and get 75 feet. Also trick it out!!!!


Okay so you will have to scale these models by x1.15 ... this will basically allow the dart to slide into the nozzle. I printed out a bunch of different sizes and this seemed to work the best,,, I would also try x1.16 it may be too loose or just right... depends on your printer...You will need 4 different springs for this gun and 3 o-rings you can find the springs at a hardware store they do not sell the right ones at blowes or homecheapo .... You will need to use ABS to Abs glue.. not transition glue but straight up ABS glue, also grab some plumbers grease or heat grease.. you will need to coat the o-rings so they glide in the pipe.. https://www.youtube.com/watch?v=tPKA3qQfgOA&feature=youtu.be

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When I import this into Slic3r, it imports really small (like 1mm) is there a scaling factor I missed?

I think the STLs are in inches

It would be nice to remix it with a o ring groove on the plunger. When I get some time I will try and mess with it. Cool design, by the way!

have at it.. thanks!

yes it does work.. but not as good as id liked so feel free to tweak it to work better... ive gotten about 20 feet so far needs to shoot 75

What program did you use to show it shooting and loading?

just a quick play blast from the viewport in maya

Isnt it a better idea to check if you can get a standard nerf spring (such as a maverick one, or those sold by nerf gun mod stores) to work. That would make things a lot easier.

I think the standard nerf spring is available at a good hardware store...