r/405th • • Apr 05 '26

Account Activation Issues

4 Upvotes

Hello,

We've recently updated our account support process and have a new system in place to handle rejected accounts.

If you are currently experiencing issues activating your account on the 405th Forums, then please fill out this form to request a review of your account: https://forms.gle/7FwfSi5LZkc7L95c7

Once submitted, the forum staff will get back to you as soon as possible.


r/405th • • 2h ago

Progress on my mk6 gen1 mjolnir suit

Enable HLS to view with audio, or disable this notification

3 Upvotes

r/405th • • 1d ago

I don't think I have shared my finished ODST armor here

Thumbnail
gallery
195 Upvotes

Mix of a recent photo and a couple of older ones


r/405th • • 1d ago

Halo 2 Anniversary GPMG

Thumbnail
gallery
54 Upvotes

This has been something I've wanted to make for a long time and after 4 months of work, it's finally done and I'm so happy with how it's turned out

Working features:

trigger pull

removable box mag

Working charging handle/bolt

can break down into 5 pieces for transport

I'll be debuting it at mcm london at the end of the month with my long-standing halo 3 marine armour.

Edit: I've had a few people ask for 3d print file for this and I just want to clarify this is not a 3D print but is an EVA foam build with an MDF core. I am flattered, though, that people think it is 3d printed 😁


r/405th • • 3d ago

Odst update

Thumbnail
gallery
109 Upvotes

Managed to find some good colours for the armour. Went with ral 7016 for the grey.

Used Velcro and some webbing straps, with some 3d printed buckles, sewn into the plate carrier and contact adhesive on the armour.

Working on the thigh plates, and reworking the layer lines on the helmet now.

(Thighs failed in the printer and fell over with 1 hour left to print.


r/405th • • 5d ago

Visor helmet help

Thumbnail
gallery
63 Upvotes

Hey guys I'm new to cosplay and I'm currently working on my odst helmet. I dont have the galactic armory helmet I have another I bought off Etsy. I'm currently building 2 one for me and my bro. Problem is the visor works but there's gaps on the sides and I have no way of officially supporting the visor. The visors are galactic armory. Anyone have any ideas on how to fix this issue?


r/405th • • 5d ago

I need an undersuit

Thumbnail
2 Upvotes

r/405th • • 5d ago

Main site scheduled down time

Post image
2 Upvotes

I have nothing to do with this - just sharing what I see since I didn't see any official mention of it anyplace but on the site itself.


r/405th • • 7d ago

Odst paints

Thumbnail
gallery
72 Upvotes

Hey guys, currently working on an ODST suit.

I've printed most of the torso pieces, sanded and primed them, now I'm looking for some paint colours.

I've found a paint shop that custom makes any colour of car paint, now I'm spoiled for choice.

Wanted to have a slightly darker grey for the suit, and wondered if anyone had any colour recommendations?

Another issue is the helmet.

It was my first print and the more I sand the armour, the worse the helmet looks.

There's later lines on the back half on the helmet top section, plus some horrible layers on the upper jaw section.

Should I add some knifing putty (in england so no bondo spot glazing putty), then sand at 120, 240, 400, then re wet sand to 600, re primer and repaint?

Also have ordered some webbing tape, to help attach it to the plate carrier.


r/405th • • 8d ago

405th Mountain at Wyoming Pop Culture Con!

Thumbnail gallery
59 Upvotes

got to run the booth with members ShadowShail and Tohmer, along with a friend i built a suit for!


r/405th • • 10d ago

SRS99-AM Done!!

Thumbnail
gallery
145 Upvotes

Full PETG print with aluminum reinforcement.

Accurate to the in-game size.

We do take commissions for things like this one and whatever else you want made!

More of our work here:

https://www.instagram.com/emberforge_studios_nl?stkn=bGJnN3ViZnNkcWFi


r/405th • • 11d ago

2022 Vs 2026

Thumbnail gallery
52 Upvotes

r/405th • • 14d ago

Number two is done!!!

Thumbnail
gallery
120 Upvotes

Aaaand number two is done!! Definitely much happier with the way my painting on this one came out still not quite exactly what I'm looking for but very close..each time I'm learning something new. Still need to dye and paint these visors though...but till then it's time to set these aside and work on my MRK5(B)


r/405th • • 14d ago

ODST visor fit

1 Upvotes

Does anyone know if the Galactic Armory Pro Visors will fit inside a Branfuhr large odst helmet?


r/405th • • 14d ago

Armor sizing help

Thumbnail
2 Upvotes

r/405th • • 15d ago

Mrk5(B) shoulder attachment to bicep

5 Upvotes

Hello everyone!! I'm in the process of 3d printing the galactic armory mrk5(B) armor files and the halo3 ODST rookie files..and I'm currently working on the arms. I'm going to be using the commando shoulder on my left and the ODST on my right and my curiosity is what have y'all used to attach the shoulder pieces to the biceps?? I talked to GA and they said they do not have a specific piece for the attachment yet but to just use a block of eva foam but what have y'all done??


r/405th • • 16d ago

Complete newbie but planning to be a pioneer here in the Philippines

6 Upvotes

Hi hello everyone!! for the past few days I was really urging myself to start my cosplay journey with Halo here in the Philippines. Barely anyone makes armours and things like these, but I wanna pioneer the interest of spreading the culture and interest of the Halo community. But I'm 100% sure I'm gonna make everything out of Eva foam even the helmets.

Currently I'm a 4th year in my College life and its gonna be a busy journey for me but making this project is a passion I've always wanted. As of now I'm still waiting for my forums account to be approved and reached out here. That said I want learn from everyone's techniques and craftsman on their journey making armours so feel free sharing them ā¬‡ļø

Also I'm planning to make the Anubis (H:I variant), Morrigan and Carters Helmet. for Armors maybe Mark VII or the Mark V [B] maybe? I have a lean structure, normal physique, 5'8 so IDK which fits best. Originally I was planning to push for H:5 Buck.

List of things I want to know and what I'm curious about.

  1. The weave hexagonal bodysuit texture (Like Chiefs Halo 4 variant) - What do you guys do or work around for it? textured eva? textured fabric?
  2. For the helmets - does majority of people just 3D print it?
  3. Accessories and attachments for the Armor - I saw Mark 5s but i didn't see Infinites and how do you guys mark it to the base itself so it looks aligned?
  4. Ventilation - Its really humid and hot here even inside conventions with air condition on, any Idea for it? I was thinking about putting a small fan on the chest place and helmet.
  5. Recommended thickness of Foam - for armors and Accessories
  6. Paddings - do you guys add paddings like the shoulders to give more bulk?

I know its a lot but I dont want to mess this up, and I know im asking the best people who do it and kinda scare shitless on making it the first time.

Thank you guys so much! cheers!
looking forward for your tips and guides :D


r/405th • • 18d ago

SRS99-AM Progress

Post image
133 Upvotes

Just weathering left and installing the lenses and screen for the scope.


r/405th • • 18d ago

Halo Reach Marine/Trooper Cosplay

Thumbnail gallery
23 Upvotes

r/405th • • 24d ago

Hayabusa helmet in progress

Post image
81 Upvotes

Slowly but surely working on the entire Hayabusa set from Galactic Armory, any tips on the visor for this guy would be greatly appreciated. Mostly just posting for a confidence boost because I’m running low on steam from all the printing and sanding


r/405th • • 24d ago

My new weapon!!

Thumbnail gallery
82 Upvotes

r/405th • • 26d ago

Made my first helmet!!

Thumbnail
gallery
181 Upvotes

Its finally done! It took about a month and half but here it is!! Galactic Armory's Artaius helmet. Still need to dye the visor black and add some cat eyes on the back though.


r/405th • • 27d ago

Ask for some weapons and they will provide

Post image
13 Upvotes

r/405th • • 29d ago

Not enough sanding

Thumbnail
gallery
67 Upvotes

Don't be like me. Take your time sanding.

Printed, glued together, welded, sanded, filler putty added for the seam, more sanding, filler primer, wet sanded to 600 grit, then finally added grey primer.

Then the imperfections started to show....

Well guess it's time to wet sand again....

Dammit, I hate wet sanding. My hands are already so cramped....

Edit: I've sanded it back to almost the plastic later. At 120grit. Going to go to 240 with the mouse sander, then reapply the filler primer, then go at it with 600 again


r/405th • • 28d ago

Odst Weapon mounting locations

4 Upvotes

Trying to figure out where a smg would be mounted for odst armor when not in use. I know Spartans had thigh armor mounting. Does anyone have any insight?