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Hello!
Great photos in a great thread!
And very good work, Peter! That´s art!
Here are two examples from my collection:



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Thanks Arie and Andy

The "disappearing frame" isn't a problem at all. It disappears only, when I am going to collect all files in one STL file. For printing all parts are separate files. So the frame is still on my harddisk!

@ Andy

Thank you for your words! Your first photo shows a Benz Zugmaschine, often misinterpreted as a Büssing. The second is a Podeus Tractor. You can see both further up in this thread.

 

Cheers, Peter



-- Edited by Peter T on Tuesday 30th of August 2022 01:39:06 PM

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Wow, Looking awesome, following with great excitment..

All the best

Tim R



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TOPIC: Artillery tractor

 Nice Photo's, I have never seen the configuration on the first photo, Thanks for charing...

All the best

Tim R



-- Edited by Tim R on Tuesday 30th of August 2022 03:11:57 PM



-- Edited by Tim R on Tuesday 30th of August 2022 03:12:27 PM

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Hello Peter and Tim!
Thanks a lot!!!!!
Peter, thanks for the explanation of the tractors!

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Hi gents!

Finally, all CAD drawings are done. Huh!!!
Once again, whenever I am going to export all files into a STL file, some parts are missing. Here for example the cab, the frame and some minor parts have disappeared 1f913.svg. I think this is due to insufficient computer performance. But exactly for that, most details are visible in the pics.
In the meantime, most of the parts have been ordered. And as expected it will be an expensive adevnture; I spent more then 300 € for printing up to now. Ok, my Büssing will be in 1/25 scale!
I hope to post here some pictures from the printed part soon....
 
 
 
 
 

 



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Hi Peter!
I´ve never seen such computer art before! I´m very impressed!!!!
Great job!!!

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Thanks, Andreas

Although I am very flattered by your words, it isn't art in the proper sence. I am not formally trained and if you are passionate enough you can learn almost everything. It takes some dedication and the proper equipment (the latter is rather missing). But if I can do it, you can as well.

Here some results! Alas, success and failure are never far apart. First, the winch in Smoothest Fine Detail Plastic from Shapeways. Absolutely great in detail (and also in price!!!)

 

The frame is a different story. It is a cheaper solution from India: The SLA printed High-Detail Resin is simply useless.

 

So, you see, I am still in the trial and error mode...



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Hi Peter,

You may not have been properly trained, but that doesn't mean that you haven't produced a work of art! A lot of artists never received any formal training, but that doesn't mean that they are no good at what they are doing! I admire your work and I look forward to seeing the finished product!

With kind regards,

-Arie.



-- Edited by Arie Dijkhuis on Saturday 17th of September 2022 06:59:11 PM

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Arie Dijkhuis wrote:
I look forward to seeing the finished product!

 

Hi Arie! May be you don't know: It took me more then ten years to finish my A7V I built long time ago! So you have to wait quite some time too....

But you are the one who knows that difficult subject most! So your words mean a lot to me - thanks!

After a first overwork and priming, the front wheel doesn't look that bad at all. What I find particularly disturbing is the fact, that the rim isn't a circle at all, more easily a polygon. Here I have to sand once again!



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Hello!
The guys are right. It´s a phantastic work. I´m not a model builder because of my sausage-fingers...
I prefer to buy finished models...


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Hoi Peter,

Don't'worry, I still have a German WW1 horse drawn ammo wagon (a conversion from the Hät WW2 German field wagon) for a 21cm Mörser that is still waiting to be finshed since 2014, so I know the problem. smile

Indeed, I think that of all the people following this tread that I am best aware of all the problems you have faced. I think that you got stuck on the same details that I did. Nevertheless, your work still looks great and to be honest way better than mine!!

I see your problem with the wheel. My software sets a cirlce to 24 parts. This should be more or less okay for the scale in which I work (1/72), but in your scale this will look like 24 faces that form a circle. What I do for wheels, is set the circle to 96 parts. I also have had a try at the Fahrpanzer, for which I set the cirle for the main body to 360 parts. This way it will look round, even in your scale, even though it never really is. But sanding also works... smile

With kind regards,

-Arie.



-- Edited by Arie Dijkhuis on Sunday 18th of September 2022 09:27:30 AM

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Arie Dijkhuis wrote:
I see your problem with the wheel. My software sets a cirlce to 24 parts. This should be more or less okay for the scale in which I work (1/72), but in your scale this will look like 24 faces that form a circle. What I do for wheels, is set the circle to 96 parts. I also have had a try at the Fahrpanzer, for which I set the cirle for the main body to 360 parts. This way it will look round, even in your scale, even though it never really is. But sanding also works... smile

-- Edited by Arie Dijkhuis on Sunday 18th of September 2022 09:27:30 AM


Hi Arie and Andreas

Thanks for your interest and kind words!

@ Arie

Has this to be done before drawing a new object or can I correct this afterwards. And where in your menue do you find this option?



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Hi Peter,

I always used to redraw the offending part as it never occured to me if it could be corrected until you asked me this question. After some trying I found out that even with my ancient version of Sketchup the answer is yes, it can be corrected. Select the relevant circle, right mouse click, select Entity info and where it says segments, change it from 24 to for instance 96. Enter and you are ready, so I doubt that this is not possible with the software you are using. So I learn something new every day. smile I hope this works for you.

With kind regards,

-Arie.



-- Edited by Arie Dijkhuis on Monday 19th of September 2022 05:28:49 PM

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See, this is the state of my ammo wagon since late 2014. After nearly cutting off part of my finger trying to carve the planks on the inside, I set it aside and I haven't done any work on it since then... smile



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Oh, and the four pieces of pasta in front of the wagon are in fact 21cm ammo baskets... smile



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Arie Dijkhuis wrote:

After nearly cutting off part of my finger trying to carve the planks on the inside, I set it aside and I haven't done any work on it since then...


Hi Arie

Nice little (... from my point of view, everything smaller then 1/25 apperars little) ammo wagon and very detailed too!

Your "nearly cut-off finger " makes me think of another problem in 3d (and general) modelling: Reproducing wood grain.

So far, I used basswood (lacquered and sanded before painting) with good results. Here an example from my last diorama.

With the use of 3d technology this has turned out to be more complex. To be honest, I haven't found out how to recreate the woodgrain in my CAD drawings, so I just omitted them in the actual project.

Obviously there seems to be a solution. May be this link is of interest ...

https://nzfinescale.com/going-with-the-grain/

P.S.

Setting a circle to 96 parts won't work yet. But I have to take more time and try it once again!

 



-- Edited by Peter T on Tuesday 20th of September 2022 10:47:53 AM

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... and it's slowly taking shape on my desk. And yes, it will become a huge model!

Today cab and bridge arrived from China (Hmm, although I ordered them in England1f914.svg) and the quality is surprisingly good!  Now the replacement frame is the only major part that is missing.

 



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Peter T wrote:
... and it's slowly taking shape on my desk. And yes, it will become a huge model!

Today cab and bridge arrived from China (Hmm, although I ordered them in England1f914.svg) and the quality is surprisingly good!  Now the replacement frame is the only major part that is missing.

 


Hi Peter,

This looks great! And I look forward to seeing the rest. But if you want this to last for 10 years, you have to take it a lot more easy... biggrin

With kind regards,

-Arie.



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Peter T wrote:
Arie Dijkhuis wrote:

After nearly cutting off part of my finger trying to carve the planks on the inside, I set it aside and I haven't done any work on it since then...


Hi Arie

Nice little (... from my point of view, everything smaller then 1/25 apperars little) ammo wagon and very detailed too!

Your "nearly cut-off finger " makes me think of another problem in 3d (and general) modelling: Reproducing wood grain.

So far, I used basswood (lacquered and sanded before painting) with good results. Here an example from my last diorama.

With the use of 3d technology this has turned out to be more complex. To be honest, I haven't found out how to recreate the woodgrain in my CAD drawings, so I just omitted them in the actual project.

Obviously there seems to be a solution. May be this link is of interest ...

https://nzfinescale.com/going-with-the-grain/

P.S.

Setting a circle to 96 parts won't work yet. But I have to take more time and try it once again!

 



-- Edited by Peter T on Tuesday 20th of September 2022 10:47:53 AM


 

Hi Peter,

Thanks for sharing the article on making woodgrain in 3D. I have had a stab at Blender, but I haven't got the hang of it so far. But perhaps this will be a good reason to give it another try, so Thanks!

With kind regards,

-Arie.



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Arie Dijkhuis wrote:

Oh, and the four pieces of pasta in front of the wagon are in fact 21cm ammo baskets... smile


Found the already painted baskets for the shells and casings I did back then. If memory serves correct, the ammo wagon I converted was a replacement for the Munitionswagen 02 and had a capacity of 24 shells and 12 baskets for the casings. I tried it, and they fit quite snugly... smile

With kind regards,

-Arie.



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Hi Peter,

Your excellent work has inspired me to continue with my vehicle as well. I just finished the back axle with drive system and tow bar.

With kind regards,

-Arie.



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Hi Arie

I'm very pleased to hear that once again from you. And that looks very promising considering that small scale (from my point of view of course😉). So, we could bet who has his Büssing finished first…

Personally speaking, I am not as moitivated as you at the moment. A lot of my trials to get reasonable solutions with SLA printing ended unsuccessfully – a lot of time and money wasted ! Here one example, the rear wheel with the retractable wheel spuds.

Although I was very pleased when I received my first SLA printed wheel, while sanding and filling a lot of imperfect parts broke apart. When I realised at the end that there was more a pile of rubble then clean work I threw the whole thing frustrated into the bucket. Currently this is rather the rule than the exception…

What I am doing now is pimping most of my files with more details as I created more contacts to printers that have SLA resin printers. Let’s see what is feasible!

Finally an encouraging example yet - look at those tiny water taps !

Cheers,

Peter

 



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Hi Peter, 

I am sorry to hear of your problems with the prints. SLA can indeed be very brittle and parts, especially thin ones, tend to break or even shatter. You could ask for a tougher resin to be used. I believe there is some ABS like resin, but I have no experience with it. 

As you already told me that you take 10 years with your projects, it will probably be me that will finish first... biggrin Then again, while making a backup of all my files, I noticed that the first file was from january 2020, so I have been working on this for nearly 3 years now.

Love the water taps! Are these on the vehicle as well? Probably in the radiator?

With kind regards,

-Arie.



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Those water tabs are right behind the firewall as shown in this description of the Büssing Tractor:

 

For better understanding we can see about the same at a Fross-Büssing lorry.



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Hi Peter,

Thanks for the clarification!

With kind regards,

-Arie.



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A small update! After so much bad experiences in 3D prints from various providers I started with redesigning parts, as the transmission and the chain gearing. I can easily imagine all those parts that already were problematic in 1/25 scale would hardly become better in 1/35 scale!!!

A professional modeller provided some useful hints for me and so I reinforced some details here and there, as well as I dividided other parts into its components such as the engine or the rear wheel with its spruds. Considering the possibilities of SLA print I will also put much details ito the parts – parts that had to be simplified when printing in Fine Detail Plastic!

It’s not back to square one, but nevertheless somewhat like a new start

 

 

 

 

 



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I am in contact now with a manufacturer who showed slight interests in producing a small batch of my Büssing in 1/35 scale. That’s why I have to redesign much more parts, as with the SLA- technique much smaller details (which I had to simplify just to make them printable) can be printed.
Although, there are still a lot of « would » and «could» in the whole thing, I am working almost obsessed and so I am progressing slowly but constantly!

Here some examples of some redesigned parts:

[Rearwheel devided in three parts needs less supports]

[Engine with more detail parts]

 

Cheers, Peter

 

 



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Hi Peter,

That looks great! I look forward to seeing the completed project. I too am still beavering away.. smile

With kind regards,

-Arie.



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Hi Arie

It is almost a neck-and-neck race between our two Büssing’s. ;-D

Seriously, I like very much, what you are doing in that small scale. However, I really do wonder if all that tiny details are printable. I am struggling with that problem even in 1/35 scale…

The cabin too had to be improved, and IMHO the new one looks really better in terms of shape. All this could only be archieved in improving my CAD-skills too with the help of countless tutorials... Huh!!!

 

old

 

new

 

Cheers, Peter

 



-- Edited by Peter T on Saturday 21st of January 2023 01:15:44 PM

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Hi Peter,

It is indeed a neck-and-neck race. smile

The small details are no problem for my printer. How I can remove the parts from the printbed without them breaking is though, but fingers crossed.. smile

Love the way your cabine and engine look. Keep up the good work!

With kind regards,

-Arie.



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If this would be a race, you would have won - you are already printing your parts!!! 

However, mine is also in the pipeline, and I have to get through this challenging stage now. That's why I am working restlessly on (my first commercial) project, which will be produced from this French company hopefully during this year:

Cheers,
Peter



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Hi Peter,

I think we are both at the same stage, finding out which parts work and which need to be redesigned. In that respect you are way ahead of me. I still need to find out if all the parts fit. I also still have to finish the engine, so I am not quite there yet.. smile

Look forward to seeing your model being released!

With kind regards,

-Arie.



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...besides, I have started this project over 3 years ago, so you work a lot faster than me... biggrin



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You are right! Considering that I am usually working about ten or more years on a project, I am terrifically fast...  confuse

Happy modelling!wink



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...and without your help I would never have been able to finish these drawings, so thanks!



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I still have to do some redesigning, especially the very thin parts, but so far I am pretty satisfied with the result.

With kind regards,

-Arie.



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Hi Arie

As I remarked already: a very fine Büssing you are doing here. Thus, I will get a good impression how my Büssing should look like!

This morning however I discovered something I hadn’t considered before. It is that box-like construction at the load plattform front. Could it be, that I had overlooked something???

Up to now I made out, that the two side doors would have served to unload munition from the railway wagons onto the lorry (Ok, with a lot of imagination from myself). Here a rough sketch to scale – the distances would match.

 

 

 



-- Edited by Peter T on Thursday 16th of February 2023 10:51:21 AM

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In this matter, I found that picture that shows an open space towards the rear of the loading plattform.

 

 

Do you have any evidence of that « box », a picture or so ?

 

Thanks, Peter

 

 



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Hi Peter,

So you think that these boxes were there to carry the shells for the gun it towed, like for instance the Sd. Kfz. 11 3-ton half track of the Second World War did. That is a very interesting hypothisis.

I always thought shells would be carried at the back, but it is certainly possible, as the other Artillerie-Munitionskraftzugmaschine (Horch) has these same boxes at exactly the same spot. All other stowage has written on it what it contains (Werkzeug, Gepäck, Brennstoff Behält???? Ltr.), but these two don't. I will try and find out how big a 15cm shell is and if a substatial number would fit these boxes. I have no pictures of any of these boxes open I am afraid, so I too can only speculate.

Love the colour you gave your vehicle! Is this speculation or have you based it on a real vehicle? It closely resembles the paint job on a surviving Horch truck.

With kind regards,

-Arie.



-- Edited by Arie Dijkhuis on Thursday 16th of February 2023 08:35:25 PM

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