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Advances in 3D Printing at 1/144

For the sharing, discussion and collaboration on 3D Printing and other specialist techniques
ID19
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Re: Advances in 3D Printing at 1/144

#11

Post by ID19 »

That'll be something - clear canopies! I didn't even have a closer look at some otherwise quite interesting models because there are no clear canopies available!

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Re: Advances in 3D Printing at 1/144

#12

Post by bootneck42 »

It isn't that difficult to get clear canopies with these SLA printers. I'm fairly new to the 3D printing hobby, having only bought my Photon last year; however, I've managed to achieve some nice results with the clear resin.

Westland Wasp
Image

Westland Scout
Image

Bell 47 Sioux
Image

Mike
All for one and 144 all

ID19
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Re: Advances in 3D Printing at 1/144

#13

Post by ID19 »

That's exactly what I'm looking for - for an Alouette, Sycamore, Bo-105 . . . :mrgreen:

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glehn
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Re: Advances in 3D Printing at 1/144

#14

Post by glehn »

Decapod wrote:
Wed Mar 31, 2021 9:42
Inspiring - and still a huge amount of skill and work in the making of that 3D model

I've just bought myself a high res resin printer via proceeds from my shapeways shop - about $400 for an Anycubic Photon Mono with Wash and Cure booth and 1L of resin. Just waiting on an amazon order of cleaning alcohol before testing this weekend.

With materials and cleaning costs it probably works out at max a couple of quid per 1/144 model (and a few hours printing time)

From what I'm reading, it's prone to failures, a messy and very hit & miss process with detail. The screens on these machines are delicate and some parts don't last long - all makes frightening reading but hey ho.

OTOH - some of the models that come out of them are gorgeous.

There are also crystal clear resins available, so I'm thinking of improving my models to add model cockpit detail and clear canopies.
I bought my Photon two years ago. I've got some really nice prints out of it but not without a lot of frustration in the process. It is messy indeed. The smell of the resin can be annoying so I installed an air filter to reduce the smell. But it does not help with the smell of the alcohol, which I find worse than the resin's. I don't have the Anycubic wash and cure station. I've built my own, so I don't know if it would help with the smell.
Lots of resin is "wasted" in supports. I wish there was a way to recycle these supports leftovers.

Learning to position the supports correctly is a vital skill to develop. I had many failed prints because of bad supports. I am better at it now but sometimes I still have issues.

And be prepared to replace the LCD screen at some point. Mine failed a little over one year after I purchased the printer. My printer is an original Photon. I've heard that the Mono screens supposedly last longer.
Ah! And you will have to replace the FEP film very often, but that,s not difficult.

There is a lot to learn but I think it is worth all the trouble.

Good luck!

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Re: Advances in 3D Printing at 1/144

#15

Post by glehn »

bootneck42 wrote:
Wed Mar 31, 2021 19:24
It isn't that difficult to get clear canopies with these SLA printers. I'm fairly new to the 3D printing hobby, having only bought my Photon last year; however, I've managed to achieve some nice results with the clear resin.

Westland Wasp
Image

Westland Scout
Image

Bell 47 Sioux
Image

Mike
Wow, those look good, Mike. What resin are you using? Is this Anycubic Clear? I have not used any clear resin yet but I would like to try it.

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Re: Advances in 3D Printing at 1/144

#16

Post by bootneck42 »

Hi Luis,
yes, I use Anycubic's Clear Resin; however, I don't use the alcohol IPA. I think it is the IPA that makes the clear resin go opaque so I just give the print a shake (outside!) and then stand it in the sun or in my home-made UV curing machine. After a while, I just go over the print, with a cotton bud dipped in mild cleaner, such as enamel thinner, avoiding any windows or glazings if I can, to remove any residue that didn't shake off.

I tried using IPA but found it gave me a bad, chesty cough; even wearing a mask, and was much worse than any resin fumes. If I make any prints that don't have windows/canopies, such as vehicles, then I use Anycubic's plant based ECO resin. No fumes and just wash in warm soapy water, followed by a cold rinse then cure.

cheers,
Mike
All for one and 144 all

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Re: Advances in 3D Printing at 1/144

#17

Post by Decapod »

Lots of great info - thanks everyone. Hoping to get it up and running this weekend.
I've no illusions about it being simple after reading about the disasters on facebook, lots can go wrong.
Those pics of the clear look great, now I'll definitely have to re-do the allouette with smaller struts and a full detailed cockpit :)
That eco resin looks worth investigating.

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Re: Advances in 3D Printing at 1/144

#18

Post by ID19 »

Decapod wrote:
Thu Apr 01, 2021 8:35
. . .
Those pics of the clear look great, now I'll definitely have to re-do the allouette with smaller struts and a full detailed cockpit :)
That eco resin looks worth investigating.
If you redo the Alouette II (with open doors?) l'll have at least two! Granted! :D
Fritz

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Re: Advances in 3D Printing at 1/144

#19

Post by smeg1959 »

All of what I am seeing here is brilliant. As I keep droning on about, but which Decapod, Luis and others can attest to, are the often exorbitant prices quoted by Shapeways. With so many of you going down the DIY route, this will obviously change the scene dramatically. And personally I'd be much happier dealing directly with the designer than going through Shapeways.

Mike, absolutely loving the clarity of those transparencies. The lack of distortion is shown to perfection in your photo of the Sioux. Gravely doubt whether you'd get any better results vacforming your clear parts. And Luis, if you do follow Mike with the Anycubic Clear or similar and redo the canopy of your Winjeel in the material, I'd be happy to buy one to substitute for the opaque Shapeways' version. Indeed, I'd add a second Winjeel to my wants! ;)
OTB ...
GB14 - CAC CA-19 Boomerang (KdK), PZL.37 B II Łoś (Amercom)
GB16 - War of the Worlds Diorama (Pegasus)

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Re: Advances in 3D Printing at 1/144

#20

Post by Decapod »

Some 1/144 progress, several good models a few failures.

I tried a few Eindekkers but the wings warped - some hot water seems to have corrected that, we'll see if it's permanent.
Image

The main problem is getting the orientation right - horizontal parts can warp without supports.
My best run so far involved 3 biplanes and a few aerosans - all 1/144
As they came out of the printer
Image

Scraped off the build plate, washed, supports chopped off and UV cured - another hour or two after a 4 hour print...
Not sure the photo does it justice - the wings are quite smooth:
Image

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