The design of the Neubaufahrzeug 42

1
April 27, 2025
This was the first drawing I had of my idea for an improved Neubaufahrzeug. That was over 25 years ago. For lack of alternatives, I used MS paint for this. I started working with Paint when I got my first computer. That was about 30 years ago. I had plenty of time, as I wasn't allowed to leave my room for months due to illness. Not even to eat, only for the bathroom. You can also see that I was heavily influenced by the WH 40k Black Templers and the idea of an fictional Teutonic Order.
2
April 27, 2025
This is the 3D model I purchased. It's really, really good, thanks to the creator. I scaled everything to 1/35 and printed a few test parts. Then I measured them using data from books and the Trumpeter model I have.
3
April 27, 2025
A test print! Here's one of the machine gun turrets, next to the one from my Neubaufahrzeug No. 3-5 from Trumpeter.
4
April 27, 2025
When I saw this, I was so amazed at how good 3D printing could be, even with an FDM printer. Even though I'd only ever printed things where surface finish and detail weren't important, and I hadn't watched more than a few YouTube videos, I knew the plan could work.
5
April 27, 2025
One of my attempts with the tracks. The fact that the files were for resin printing presented me with challenges. I also had little knowledge of 3D printing. My family and friends gave me the FDM printer for my 40th birthday. They thought, as a model maker and engineer, I'd have a use for something like that. They were damn right. But up until then, I hadn't even considered 3D printing. :-D
6
April 27, 2025
The final attempt. One of my main efforts was to reduce the necessary support structures and improve quality.
7
April 27, 2025
It took me hours to dig out the support structures, and some parts still broke off. Fortunately, only on the inside, so I decided it was okay.
8
April 27, 2025
9
April 27, 2025
This was the starting point for my own design. Now I could measure the wheelbase and begin constructing it.
10
April 27, 2025
For the first version of the Neubaufahrzeug (new construction vehicle or new build vehicle (in the truest sense of the word)), I stuck very closely to the original. I first needed to get a feel and an idea of the entire vehicle.
11
April 27, 2025
The lower part of the hull. Even that took far too long to print for my liking. And that was just a test to see if everything would fit later.
12
April 27, 2025
Then I began implementing the improvements. The turret would, of course, receive the 7.5cm KwK 40 L/48 instead of the 7.5cm KwK L/24. That's why I initially called the project Neubaufahrzeug 40. The machine gun turrets would, of course, be omitted. These were still ideas from the interwar period that had already proven dead in 1940. The front machine gun turret would simply be replaced with an MG-34 with a ball mantlet. The rear turret would make way for an auxiliary power unit and fuel tank. This would reduce the crew, increase the range, and reduce the weight and complexity. In return, the armor had been significantly increased. The original vehicle only had 20mm of armor on the hull. Not unusual at the time, but still ridiculously weak.
13
April 27, 2025
Naturally, many parts from the Panzer III or Panzer IV were to be used. This would have significantly simplified production, and in addition, many parts such as ball shields, rivets, rivet heads, perpendiculars, etc., were specified by the German Armorial Office. Therefore, I based the entire upper box around the turret ring on the Panzer IV. I spent a lot of time figuring out how large the Panzer IV's turret radius was and came to the conclusion that a conversion to a KwK, or Kampfwagenkanone (combat vehicle canon), 40 would have been possible (with a new wider upper box). Fortunately, the interior hulls of the Panzer IV and the new construction vehicle are almost the same width. This means that even a rotating turret floor would have been possible, in my opinion.
14
April 27, 2025
I was planning on building another Panzer IV Ausf. H anyway. So I bought the Panzerkampfwagen IV Ausf. H from Boder Model. It contains both early and late version parts and is really very detailed. That's why I'm already dreading the assembly, but it's perfect for measuring the parts. So I took the hatches from the Panzer IV Ausf. H early version.
15
April 27, 2025
I even designed the teardrop panel for the fenders, but now I was starting to seriously worry about whether I could even print it. A nut is 0.2mm wide, but my printer's nozzle is 0.4mm in diameter. But even 0.2mm nozzles are available... Although it was clear to me from the beginning that I would have to print the details separately and glue everything together later, I realized that I had gotten lost in the details and so I had no chance of getting a good print in this way.
16
April 27, 2025
Spoiler! That's the current status. For anyone who wants to know where the project stands... I'm very busy right now, and of course, I'm still building "normal" models.
So I'm barely making any progress with updating the story. But it's definitely continuing.

I have a question left:
Should I make a diorama with Ordi Teutonicus (name in latin) Stormtroopers? :-D

1 27 April, 13:20

Rui S
Interesting 👍 I'm in 😎

27 April, 15:59

Richard Maxein 著者
Hey thank you. I'm still working on it. But most parts are printed and some even glued together. It can only be a matter of years until it is completely finished.

27 April, 16:42

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I started thinking about an improved Neubaufahrzeug 25 years ago. In the meantime, I've also read many books about various tanks. I'm particularly fond of the books by Walter J. Spielberger and Hilary L. Doyle from Motorbuch Verlag. They provide not only technical details and excellent drawings, but also the development history, which has always interested me.

It became clear to me that I didn't want to build a finished chassis, such as the Trumpeter Neubaufahrzeug, or even design one myself on the computer. I'm far too lazy for that. So I looked for files for 3D printing. Unfortunately, I discovered that almost everything is for resin printers, but I have an FDM printer. So I bought the files and tried printing them on the FDM printer. After a few attempts, it worked surprisingly well. And I was able to print the chassis and tracks. Then I measured them, took all the measurements from my Trumpeter model, and designed the rest of the vehicle in a CAD program. One of my guidelines was that everything should actually be technically feasible at that time.

Neubaufahrzeug 42 - what if

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The design of the Neubaufahrzeug 42

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