Steam Workshop::project real world

Created by Ferretsshadow

27 screens to further immerse our favorite apocalypse. stay strong survivors !!!!!!ASKING FOR THE COMMUNITIES HELP!!!!!!! I have five kids and im finding it harder and harder to justify creating here to my family on my free time. If you appreciate my work ...

fallen card rng hd

Created by Ferretsshadow

the survivors got bored of just playingblackjack and poker all the time. with that they found other things to fill their time. includes: -magic -poker cards -cards against humanity -yugioh...

hd iv bags (random)

Created by Ferretsshadow

gives the iv bags a complete upgrade you can literally see the blood seperate from the bag and the label is crystal clear. comes with 4 iv bags. !!!!!!ASKING FOR THE COMMUNITIES HELP!!!!!!! I have five kids and im finding it harder and harder to justify cr...

hd office whiteboard rng

Created by Ferretsshadow

those poor office folk all over the world. they had to sit through these twenty frames of seminars somewhere around the globe. well I'm confident they'd rather sit through this then the blurry chicken scratches from before. twenty frames, twenty seminars ;...

missing poster rng HD

Created by Ferretsshadow

so many people and pets have gone missing thanks to those ole l4d missing ppsters have gotten a makover for just an occasion. can you find all five rng posters ;) !!!!!!ASKING FOR THE COMMUNITIES HELP!!!!!!! I have five kids and im finding it harder and ha...

seven eleven grocery store

Created by Ferretsshadow

a little notch of realism for our favorite zombie smashing game don't have much time for moding these days, but hoping to get back in and release a mod or two every other month...

safe house mark rng

Created by Ferretsshadow

a little more realism for the game. if an apocalypse did happen, there is no way everyone would be using the same mark to point to their safehouses. so now there are 14 different marks the survivors of this world to use....

realistic: dead animal pack

Created by Ferretsshadow

replaces 3 of the dead ragdolls and some props that are on the maps with a few animals to make it a little more realistic. animals added: -cat -dog -crow -dead rats -dead birds -dead raccoon !!!!!!ASKING FOR THE COMMUNITIES HELP!!!!!!! I have five kids and...

PROJECT REAL WORLD- rng stop signs

Created by Ferretsshadow

added some realistic hd stop signs with graffiti and post sticker art. there are 11 different stop signs !!!!!!ASKING FOR THE COMMUNITIES HELP!!!!!!! I have six kids and im finding it harder and harder to justify creating here to my family on my free time....

RANDOM SAFEROOM DOORS!!!!!!

Created by Ferretsshadow

the government no longer handed out saferoom doors in their survival packs. the survivors had to work with what they had to reinforce the door. disclaimer: all survivor doors were either edited or borrowed from another author. i take no credit for their wo...

pinup girls posters HD (RNG)

Created by Ferretsshadow

the emersion project continues!!! now all three pinup decals have 4 different pics that will randomly appear. the dead once had good taste...

Realistic Whispering Oaks Billboard

Created by Savantir

This is Realistic Whispering Oaks Billboard. ...

Roach Rules Real

Created by Tя!cky ツ

A version for those that want your roaches to be more realistic. You'll see far less in this mod. But still enough to notice there are cockroaches in the game. Again most spawn in Kitchens, Ground Trash or near Dumpsters and Manhole Covers! http://imgur.co...

HD + RNG Microwave

Created by Ellie

Hello everyone. This week, I'm offering you another little HD and RNG mod that you seem to like (or at least, that the ones that love things in HD like) : a new Microwave Model with RNG Meals in it ;). This little description says it all, I have nothing mo...

Pizzas RNG (HD)

Created by Ellie

Who doesn't like Pizza ? This were my thoughts when I did that mod. I love Pizza so today, I'm providing more Pizza in L4D2. This mod (compatible with everything) modifies the Pizza Boxes that you see through the campaigns. More then just retexturing them ...

HD Animated Clocks (+RNG)

Created by Ellie

This mod does 2 things : - It gives HD textures to the Wall Clocks and the Alarm Clock (digital and analog) - It makes them display the time at the right speed (so the Wall Clock have the hands that move at the real speed etc.) I had to make a choice at so...

HD Boxes (+RNG)

Created by Ellie

Hello everyone, I am once again providing you a new "HD+RNG" mod ;), this time it's for the Cardboard boxes that you can see thorough the game. Enjoy looking at now HD boxes with a little taste of RNG ;). https://i.imgur.com/KB1etMg.png • New HD (From 1024...

HD RNG Magazines

Created by Ellie

HD RNG Magazines The are two kinds of magazines. The ones to use with your gun, and the ones to use to kill time (except porn magazines that can be used for both). No matter what, the paper magazines in L4D2 are ugly, and even if there are a few mods that ...

HD Trash Can (+RNG)

Created by Ellie

Hello everyone. Once again, a "quick mod" I put up this afternoon. Since Tricky and K1CHWA did a RNG Trash Mod, I decided to jump on the weekly "Trash Brandwagon" and release this little mod that will RNG the Trash Cans content. This is not included in Tri...

RNG Sleeping Bags

Created by Tя!cky 4 ツ

HD Sleeping Bags can be found in Dead Center, Blood Harvest, Death Toll and other maps. They seem to be used in most L4D2 and L4D1 maps. However you may only see 1 kind and not all 3. http://imgur.com/gGZc1DU.jpg https://imgur.com/exIpj8S.jpg http://i.imgu...

HD Trash (+RNG)

Created by Tя!cky ツ

Over 250 trash textures for both L4D1 and L4D2 survivors. Some maps like The Passing and The Scarifice will combine these RNG sets giving you 18 random sets of textures in those campaigns alone. http://imgur.com/uV7WZ5S.jpg Pizza Boxes (10) Cereal Boxes (1...

HD Water Dispenser (+ RNG)

Created by Ellie

Ever thought that water in that game tasted like Pißwasser and you're not Bear Grylls ? Well, thanks to that mod, you'll be able to get proper water to drink ;). This mod replaces the Water Dispensers / Fountains by new HD ones that use the "True RNG" syst...

Posters & Signs Remake [ 4k / Full HD ]

Created by Szalik

Make sure you check out my Collection, it reworks the entire game and works best together Description: Every single poster, sign, painting, decal etc has been painstakingly updated to higher quality texture. Any Bugs / Feedbacks: Join Discord and report it...

HD Buoys & Net

Created by Savantir

This is HD Buoys & Net....

HD RNG Soda Machines

Created by Ellie

https://i.imgur.com/4tc4Ta3.png At every map, you'll get a new unique texture that will stay the same for the entire map, giving you a enhanced reality feeling. Enjoy :D This simple mod adds 7 new different HD Soda Machine designs feat. Coca-Cola, Pepsi, F...

HD Wheelbarrows

Created by Savantir

These are HD Wheelbarrows....

HD Sewage

Created by Savantir

This is HD Sewage....

HD Hay

Created by Savantir

This is HD Hay....

HD Ladders

Created by Ellie

This mod replaces all the metal ladders in game by new HD Ones. Originals colors are kept. It features : - New High-Resolution (from 1024x1024 to 2048x2048) textures for every metal ladder - New detailled bumpmap for every ladder (procedural lighting simul...

HD Medical Posters

Created by Ellie

Update 1 Added 15 new posters and the "True RNG" system. Now the "Human Body" posters will be different every time you play =) https://i.imgur.com/4tc4Ta3.png At every map, you'll get a new unique texture that will stay the same for the entire map, giving ...

HD Dumpsters

Created by Ellie

This addon replaces the 2 big dumpsters in game by New HD Ones. It features : - HD 2048x2048 textures - Texture replacement for the originally green (L4D2) and blue (L4D2) big dumpster. Enjoy =)...

HD Skyline

Created by Ellie

Update 30 of July 2016 I added more buildings because the city looked empty (how come all tall buildings are just around the hospital) and added some rare light beams effects (cop cars + regular cars) in the city streets Have you ever been bored of the "al...

HD Ice Machine

Created by LowerFormOfLife

The low quality of the original was bugging me so i made a higher quality version. I believe it is the small things which make a difference. http://madcowgamers.co.uk/wp-content/uploads/2014/05/mcg-logo-small.png...

HD Sleeping Bags

Created by Tя!cky ツ

BY REQUEST all 3 defaults sleeping bags in HD double the textures 1024x512 http://imgur.com/k1CmjeF.jpg This mod is also in "HD Sleeping Bags: Animated Cycle" - see 8 in one Mod! http://imgur.com/ZU2mKN7.jpg http://i.imgur.com/RXc8aRR.jpg ...

Road Closed Sign HD

Created by Lunatix

The original was definitely made with Paint, this new looks more real than ever. Original resolution : 256x128 New resolution : 1024x512 Traffic Barrier in HD 4K ...

Traffic Barrier HD

Created by Lunatix

Replaces the old texture of the little traffic barrier. ...

PROJECT "REAL WORLD"

Created by SWER

PROJECT "REAL WORLD" Global change affected by the changes improved texture objects Changes campaigns: -Dead centre-94% for other campaigns from 15-45% A new look at the favourite to all of us the game. Enjoy the game. Update fashion from 19/03/2015 Remove...

Dark Carnival + Hard Rain [ 4k / Full HD ]

Created by Szalik

Make sure you check out my Collection, it reworks the entire game and works best together Description: This mod improves the existing mod, with Dark Carnival unique textures being enhanced and adding multiple new ones! It's also now extended by adding text...

Real Mercy Logo

Created by Ellie

This addon replaces the "Mercy" visual idendity with the real one from St. Louis Mercy Hospital. It includes : - The main Mercy logo seen on the Hospital - The flags logo outside the hospital - The logos seen in the hospital itself...

45 Chocolate Bars (Adrenaline)

Created by Ellie

Hello everyone, Merry Christmas and thanks for being here today :D. This mod is the last big release I'll probably do before an hypothetical L4D3. I am lacking good ideas and I want to invest time in other things than modding. It's been mostly a pleasure t...

HD RNG Stuffed Animals

Created by Ellie

http://i.imgur.com/aYht8f3.png Prox (Model) RNG : The stuffed animal will change along the map (and if you go away and back), for even more variety :D This mod is a RNG Model replacement for the Stuffed Animals in the Dark Carnival campaigns. This mod quad...

HD Soda Vending Machines

Created by Ellie

http://i.imgur.com/JHaCHtR.png This mod synergises with the Soda Pills Mod. If you use both, the brand on the vending machine will be the same as the Soda Can. This mod replaces the vending machines by ones with Soda "Ads". You'll get 9 different designs f...

Soda Pills

Created by Ellie

http://i.imgur.com/JHaCHtR.png This mod synergises with the Soda Vending Machines. If you use it, the brand on the vending machine will be the same as the Soda Pills one. This mod turns the Pain Pills into Soda Drinks with HD Textures and Light Reflections...

7 HD Potted Plants

Created by Ellie

This mod is the first one (and probably one of the only ones of this kind ever) that uses Model RNG on map objects. The coding to make such a thing work is complex and requires some game processing power :). Anyway, this being said, it's pretty obvious : t...

HD Vomit

Created by Ellie

https://i.imgur.com/vBBlYbk.png This mod is NOT compatible with the Absolute Zero Boomer nor with the old "assets" of Absolute Zero map When you drink too much, you puke. But what happens if you drink too much in HD ? Easy : you puke in HD. Since there are...

HD + RNG Tank Rock

Created by Ellie

This mod is an HD replacement for the Tank Rocks that includes the "not so used" Model RNG : there are 5 different rock design and each one the tank will throw will be different. This mod is actually the first one that really makes the full use of Model RN...

180 HD Molotov Cocktails [1/2]

Created by Ellie

http://i.imgur.com/MKWRxFb.png This mod takes up a LOT of RAM to load and if you have a lot of other RNG mods, it can often cause game crashes. Try unsubscribing from it if you have crashes problems. http://i.imgur.com/c3XgvE2.png http://i.imgur.com/Zpt9Dn...

180 HD Molotov Cocktails [2/2]

Created by Ellie

http://i.imgur.com/MKWRxFb.png This mod takes up a LOT of RAM to load and if you have a lot of other RNG mods, it can often cause game crashes. Try unsubscribing from it if you have crashes problems. http://i.imgur.com/sYOV5Kf.png http://i.imgur.com/A9sSuJ...

HD Explosion Decal

Created by Ellie

While I was playing L4D2 the other day, I noticed that the Explosions Decals were really low (the decals that appear when you blow up a Propane Tank or a PipeBomb). So I decided to replace them with new ones, that are in 2K (2048x2048) Resolution. Enjoy ;)...

HD Bus

Created by Ellie

Here we go again. I wanted to do a "HD Bus" replacement badly. That was the first thing I tried back in the day when I was experiencing with 3D tools but I couldn't find a good model. Now that's done ! Payday 2 bus fits perfectly for you own pleasure ;), i...

Payday 2 Cars

Created by Ellie

I wanted to try to make a L4D2 mod that would replace the cars by new ones, to understand how the mechanics of this work. It's a bit more complicated that basic addons because the way the cars are made in that game is a bit strange and does not give much r...

HD Clothes

Created by Ellie

I did that mod a long time ago, back in April when I didn't know much about Modding and stuff. I publish it now because if I don't, it will stay in stock too long xD. This mod replaces the Clothes Piles and Clothes textures seen in every campaigns by new H...

School Bus

Created by Ellie

Formerly, the "Church Bus" in L4D2 was meant to be a School Bus, but during development, it was replaced because the implied image that children died during the apocalypse could be controversial. Although, you, who are reading this, maybe think that all th...

HD Bloodmap

Created by Ellie

Hi everyone =). Today, I bring you a very small mod but that adds a nice effect : it replaces the blood decals ON the melee weapons (when you kill infecteds) by new, more HD and more realistic ones. This mod is compatible with literally EVERY custom melee ...

44 RNG Medkits

Created by Ellie

General Update 04/04/2016 Added "Global Radar" support ; Added 4 new skins ; Changed the First Person Animations to MaxG3D ones ; Fixed the RNG Flickering Problem ; Added HD Light Reflections for a more realistic look Hello everyone, thanks to Lt. Rocky wh...

HD 2K Real Blood

Created by Ellie

This a a "light" version of my HD 4K Real Blood mod, that's intented for people who get lags with the other mod. It contains 2048x2048 textures for most of the blood stains and still everything that's included in the "4K Real Blood" mod. For comparison pic...

HD Ammo Cans (+RNG)

Created by Ellie

Hello everyone =), let me introduce you to another mod that uses the new RNG techniques. With this mod, you'll first get new HD Textures for the Ammo Tin Cans, but you'll also get a 1/2 chance of getting a "special" Tin Can every map (special = rusty or wi...

HD Crates

Created by Ellie

This simple mod replaces the old low resolution texture of the breakable wooden boxes / crates by a new HD 4K (4096x4096) one. Enjoy =)...

Real Coaster (Screaming Oak)

Created by Ellie

Ever wondered why the Screaming Oak coaster had just a basic yellow skin ? Me neither, but I still did a reskin that makes it look more appropriate. (With Dark Grey / Black colors + Screaming Oak logo on it). Enjoy :D http://image.noelshack.com/fichiers/20...

Pink Duck Boats

Created by Ellie

This addon replaces the Duck Boats from the Tunnel of Love with *the* pink ones. Enjoy....

Realistic Ragdolls

Created by DeathWrench

DO NOT INSTALL THIS MOD UNLESS YOU KNOW WHAT YOU'RE DOING, THIS MOD SUCKS AND SHOULD ONLY BE USED IN ITS CURRENT STATE IF YOU WANT TO BREAK YOUR GAME. YOU HAVE BEEN WARNED!!! Old Description: This should completely remove ragdoll despawning + gib despawnin...

Realistic Corpses

Created by Savantir

These are Realistic Corpses....

Cinematic Lighting Effects

Created by Red Schism

Changes most light sprites and some particle effects into a more "Hollywood stylized" effect. Adds horizontal flare to pathway lights, changes 3rd person flashlight glow to a smaller more realistic glow, new sun glare, and changes various other glowing lig...

Occasional Bullet Crack Sound Effect

Created by FreshBunnyPoo

Adds a distinctive and realistic bullet crack sound effect that has a chance of playing when bullets flyby. A nice change of pace from the frequent "whizz" effect that plays. To install, subscribe. To uninstall, unsubscribe. If you have any requests for so...

The Insane Tunnel of Love

Created by Savantir

This is The Insane Tunnel of Love....

Bloody Parachutist

Created by Savantir

This is Bloody Parachutist....

Improved Saferoom Graffiti

Created by Savantir

This is Improved Saferoom Graffiti....

HD Doors/HD Puertas

Created by Joel

English: Pack 15 doors completely in HD! Español: Pack de 15 puerta completamente en HD! Special Thanks: Andy Agradecimientos especiales: Andy http://i.imgur.com/RXc8aRR.jpg...

HD ATM

Created by Ellie

This mod is a quick mod I made and that belongs to the infamous "HD" family. It replaces the ATMs that you can see in L4D2 campaigns and custom ones by a new one with 2K textures and glowing animated parts. Enjoy ;) https://i.imgur.com/KB1etMg.png HD ATM M...

HD Gun Cabinet / HD Gabinete de Armas

Created by Joel

New Gun Gabinett HD Español :3 Nuevo Gabinete de Armas HD! http://i.imgur.com/RXc8aRR.jpg...

HD curtains animated

Created by Ferretsshadow

refleshes out the hotel curtains in dead center with 5 hd patterned fabric curtains that cycle through...

HD Subway Car

Created by Tя!cky ツ

Reskin of the Subway Car in HD http://imgur.com/uV7WZ5S.jpg Texture was 1024x1024 now Double at 2048x2048 Redone Red Brake Light Lens New Signage and Rubber Floor Runner Added Custom Bump Map for more realism http://imgur.com/ZU2mKN7.jpg http://i.imgur.com...

HD Piano Player

Created by Tя!cky ツ

Reskin of the Piano in HD gave it a Piano Player look has a custom Bump Map for added realism. http://imgur.com/ZU2mKN7.jpg http://i.imgur.com/RXc8aRR.jpg ...

HD Concrete Blocks

Created by Ellie

I wanted to do something else, but I ended up doing that thing that most of you will find useless. Anway, I'd rather publish it than let it down in Oblivion :P Enjoy it, it's just new HD Concrete Blocks for L4D2, that you can find in almost every campaign....

HD Fairgrounds Garbage

Created by Tя!cky ツ

Retexture of Dark Carnival ground garbage in HD 2048x (+Normal Map) http://imgur.com/ZU2mKN7.jpg http://i.imgur.com/RXc8aRR.jpg ...

VCR & DVD Player

Created by Tя!cky ツ

Retexture of both default VCR & DVD Players with added bump map. http://imgur.com/ZU2mKN7.jpg http://i.imgur.com/RXc8aRR.jpg ...

Wood Entertainment Center

Created by Tя!cky ツ

Retexture of wood furniture with added bump map. http://imgur.com/ZU2mKN7.jpg http://i.imgur.com/RXc8aRR.jpg ...

HD New computer configuration (RNG)

Created by ABC1986

This is a new computer configuration, the picture is 1024X1024, there is any opinion that can give me a message...

4/20 Blunt Ashtray [HD][MUST HAVE]

Created by Waterpater

4/20 has arrived early this year. This mod adds 3 blunts to the regular Ashtrays. In the screenshot you see the one found in the first room on your right in the Dead Center campaign. Reasons why you should install this: - It's epic - You automaticly sponso...

Left 4 Dead 2 HD REMASTERED 2.0

Created by ClipoDEL

And so, after a long time of working on this mod and the experience gained later, I decided to finalize it and bring it as close as possible to the original game. Many graphical errors have been fixed, excessive shine of objects has been removed and, in ge...

2D Real Mall Signs

Created by Ellie

This small and simple addon replaces the 2D stores names in Liberty Mall by real ones that you can find in a typical US Mall. Enjoy ;). Note : These are not HD, I couldn't find out the way to improve the texture size without messing up the signs...

Bile FX Puddle

Created by Ellie

Red Version : Click here Ever wonder why the Bile Jars that break on the ground doesn't left a puddle ? Surely you didn't, but maybe it will feel strange to you now and you could be interested in this addon. It features : - New HD Bile Puddle Effect on the...

Convoy of Vans

Created by Tя!cky ツ

10 Pack of prior released HD Vans will be Random. http://imgur.com/gGZc1DU.jpg https://imgur.com/nXM8vJJ.jpg http://i.imgur.com/RXc8aRR.jpg...

RNG News Vans

Created by Tя!cky ツ

4 Pack of my prior released HD News Vans will be Random. http://imgur.com/gGZc1DU.jpg http://imgur.com/LpxS1F6.jpg http://i.imgur.com/RXc8aRR.jpg ...

Bloody Dead Cows

Created by Savantir

These are Bloody Dead Cows. ...

RNG Kid's Carpet

Created by Breastie

Found in the Blood Harvest finale, in the farmhouse upstairs. It contains 4 total city carpet variants. Thanks to Ellie for helping with the RNG thing. http://steamproxy.net/id/ellie_williams/myworkshopfiles/...

CEDA Easels RNG

Created by Tя!cky ツ

Replaces the Ceda Easels with 9 random White Boards. http://imgur.com/gGZc1DU.jpg https://imgur.com/nXM8vJJ.jpg http://i.imgur.com/RXc8aRR.jpg...

HD Torch Stove Food (+RNG)

Created by Tя!cky ツ

Bon Appetit with 8 Delicious Meals 🔪 http://imgur.com/gGZc1DU.jpg https://imgur.com/nXM8vJJ.jpg http://i.imgur.com/RXc8aRR.jpg “Copyright 2017 Tя!cky ツ This item is not authorized for posting on Steam, except under the Steam account named Tя!cky ツ”...

🩹Prop Fix Pack (70+ models)

Created by мяFunreal

Left 4 Dead 2 has a lot of broken assets. Some are even from L4D1, some introduced in TLS. I fixed all the things I could find because Nobody at Valve, or in the "TLS Crew" bothered. Underneath the subscribe button is a "Prop Fix Collection" where I put ot...

Valve's Missing Content Fix

Created by Rayman1103

Adds missing textures and models. These files came in with the first revision of Cold Stream, and the reason they have been removed is because Valve had to remove some content that was unsourced when they released Cold Stream. The content was removed after...

The Parish Retexture

Created by ⛧

This is a casual project undertaken by myself. I intend to slowly replace and redesign the parish to my liking. Instead of devoting myself so I do not get burned out, I do not have any estimated time on completion, choosing instead to sporadically apply re...

HD Dark Carnival Retextures

Created by Funneh

This retextures the props_fairgrounds folder to a snazzy 2048px (high resolution). The mod ONLY retextures the the files in props_fairgrounds, nothing more. • Arcade Games • Fairground Banners • Fairground Flags • Garbage • Gallery Panels • Stuffed Animals...

Realistic Witch Banner

Created by Savantir

This is Realistic Witch Banner....

Phone I.E.D.

Created by Lt. Rocky

Been a bit lacking in decent pipe bomb replacements. This is the Improvised Explosive Device from Contagion; Replaces the pipebomb on the regular animation. Credits: Contagion - Model & Textures Duke Nukem Forever - Audio Lt. Rocky - Rig; Port; Shading; Au...

Heartbeat Overhaul (Sound Mod)

Created by FAT HEAD

This sound mod will replace many sounds with a heartbeat, set to fit the current situation. Here is a list of all things I've replaced, and a detailed description of what it represents: Incapacitated - Level 1 (puddleofyou) and Level 2 (iamsocold): A stead...

Enhanced Water Reflections

Created by Theuaredead`

This is an official reupload of this addon, I've gotten permission from the original creator to reupload this. This mod is in an AS-IS State, and will not be updated, be aware of bugs. Original Description: Enables a good unused feature of the Source engin...

Refractive Puddles

Created by Lt. Rocky

A simple mod that modifies the puddles seen throughout maps to use a refract shader, utilizing two separate normal maps, one being animated....

realistic medical cabinets rng

Created by Ferretsshadow

another hd piece to the real world project. includes 12 different textures. from worn, peeling, scratched, and rusted cabinets. no longer does the l4d world only buy medical cabinets from one manufacturer. !!!!!!ASKING FOR THE COMMUNITIES HELP!!!!!!! I hav...

battle worn sw29 rng

Created by Ferretsshadow

another piece to the real world project.the sw29's have been through alot through our favorite zombie apocalypse. the other survivors in the world have been puked on, tripped in mud, shot zombies at close range, or found some old rusty unkept guns. comes w...

Virgil at the Helm

Created by Dr. Gordon Freeman, Ph.D

These are not my models/materials, all credit goes to the developer artists who made these beautiful art assets as well as the developers of the tools used to make this mod. Les Cajuns sont très bons. Not a major overhaul, just added a few things onto the ...

WW2 Jerry Can (Hard Rain Diesel Cans)

Created by Rilludom

The Wehrmacht-Einheitskanister, as it was known in Germany, was first developed in 1937 by the Müller engineering firm in Schwelm to a design by their chief engineer Vinzenz Grünvogel. A similar design was used in 1936 during the Spanish Civil War,where th...