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  1. Firefox3D's Avatar
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    3 Weeks Ago  May 31, 2018, 1:55 AM - Re: Firefox MIG-31 movie aircraft #351

    earthdog said: View Post
    What are your plans for printing this?
    I have my own resin printers, two Formlabs Form 1's and a Photocentric HR, if you go back a few pages there are pics of prints.
  2. Member Since
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    3 Weeks Ago  May 31, 2018, 3:33 AM - Re: Firefox MIG-31 movie aircraft #352

    "Realised something which now seems really obvious, the ice floe model was painted the more plain grey/black to match the footage of the full scale version."
    I'll paint mine black. After all the conversation,earlier in the thread, about colour, what nobody seems to have realised is that polished black paintwork acts like a mirror.On a nice sunny day, just look at the bonnet of a black car as it comes toward you. It looks blue. All the hanger scenes also show the aircraft as black,with red markings.
    Those new renders are really good too!
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    3 Weeks Ago  May 31, 2018, 10:42 AM - Re: Firefox MIG-31 movie aircraft #353

    Thanks! I had been following this but haven't been on the boards too much recently. Your modeling is fantastic!
  4. rbeach84's Avatar
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    2 Weeks Ago  Jun 1, 2018, 10:13 PM - Re: Firefox MIG-31 movie aircraft #354

    Just past the three year anniversary, Jon! Happy Returns, my friend!
    Kind regards, Robert
  5. JediG60racer's Avatar
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    2 Weeks Ago  Jun 4, 2018, 5:50 PM - Re: Firefox MIG-31 movie aircraft #355

    As this thread has developed over three years, and technology has progressed along with it, I'm curious: what is the current thinking in terms of making this available to us to be able to make? Are you still thinking of making a kit? Or will you make a version of your designs available for us to purchase and 3D print when you've completed them?

    When this all started, the ability to print anything was beyond many of us, but now that 3D printers have become so accessible... well, just wondering what are your thoughts?
  6. Firefox3D's Avatar
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    2 Weeks Ago  Jun 6, 2018, 5:28 PM - Re: Firefox MIG-31 movie aircraft #356

    Making kits is definitely the goal, I admit I have ended up with the resin printers on a maybe 20% work prototyping 80% personal ie Firefox printing basis. I managed to get all of them at serious low prices just by luck and a bit of a gamble, especially with the Photocentric printer as it was relatively new, but not well known and 0 official reviews. I still have to finish repairing my second Formlabs Form 1 as it was a kickstarter version and the laser assembly focussing lenses were literally tacked in place with superglue. One of them was at least 3 degrees off straight and the beam focus was terrible with what they call "rabbit ears" which cause printing errors. I think I will have to CNC a new part from brass tube to be able to mount a decent 3 element focussing lens, the cheap Form 1 clone I have working perfectly with a new diode has one.

    1/48th scale would be very hard to produce at a reasonable quality level on the best FDM machines even with a 0.2 or 0.3mm nozzle, maybe the body parts as long as you don't mind a lot of work sanding and re-scribing panel lines as they will be 0.2mm wide or 0.007" at 1/48th. You need the resin printers with sub 0.1mm X-Y resolution for it to really work.
    I haven't talked about pricing as I didn't want to upset the mods as I think you need to a premium account for selling.
    All I will say is at a well educated guess Shapeways for example would want around maybe close to $1000 to print a 1/48th model, I would be looking at around a tenth of that.

    Bigger scale, maybe 1/36th or so would work better on FDM for the all but the high detail/thin parts, so I could do a hybrid kit, part files for self print and a set of resin printed parts.

    I will admit I am picky on the end result, this is a man who spent more than a day sanding and priming a Powerpuff Girl for my niece, because I thought the FDM print wasn't good enough!

    Also revisited the colour, and think I got a bit wrapped up in the blueness of the blue... The darker sections are more grey/blue, but 60-70% is more towards grey with a slight blue tint
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    I need to add some more subtle panel variations to make it looks half way correct, as there are at least 5 different shades on the models, with graduations in-between or overlaid. The originals primer did have a blue tint to it, so that affects the colour towards the blue part of the spectrum.

    Interestingly on the real tailplane moulding I have the resin looks blue/green with a plain grey primer splashed on. Obviously the colour this appears on your monitor could be way different so could be hard to tell.
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    And yes they hardly show up to the eye but they actually put rivet markings on the masters!
    It's actually a very thin resin skin with a foamed polyurethane infill, weighs very little.
    Last edited by Firefox3D; 2 Weeks Ago at 5:35 PM.
  7. Clutch's Avatar
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    1 Week Ago  Jun 8, 2018, 10:52 AM - Re: Firefox MIG-31 movie aircraft #357

    Very nice!!!
  8. Firefox3D's Avatar
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    1 Week Ago  Jun 9, 2018, 7:54 AM - Re: Firefox MIG-31 movie aircraft #358

    Getting ready to print the first 1/48th, going to try and print the rear half including the wings as one piece, fingers crossed!
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    1 Week Ago  Jun 9, 2018, 11:27 AM - Re: Firefox MIG-31 movie aircraft #359

    Fingers,toes-even my eyes....
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    1 Week Ago  Jun 11, 2018, 1:16 AM - Re: Firefox MIG-31 movie aircraft #360

    Well,how'd it go? Waiting here with bated breath....
  11. Firefox3D's Avatar
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    1 Week Ago  Jun 11, 2018, 7:27 AM - Re: Firefox MIG-31 movie aircraft #361

    Got a bit ahead of myself, knew I had to fix a few little things that would be an issue at 1/48th and fix a few bugs (one really hard to find) to get the part watertight. Also had to add the stand fixing and internal supports so it hangs together while printing. I had to do this part in different software as it handles merging/intersecting STL's much better than Sketchup, and I had used it a small amount but realised I was still on that initial steep learning curve.

    However the good news is I am essentially on holiday this week so once I get back from a small errand I can finish the supports and get it printing, it is going to take nearly a day to print, so really want to get it right first time!
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    1 Week Ago  Jun 11, 2018, 9:08 AM - Re: Firefox MIG-31 movie aircraft #362

    Understandable. This 3d software is a nightmare to work around, but given enough time.....
    Hope you enjoy the break!
  13. Firefox3D's Avatar
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    1 Week Ago  Jun 11, 2018, 9:52 PM - Re: Firefox MIG-31 movie aircraft #363

    So after spending around an hour setting up the print job and adjusting supports just so, realised I had forgot to integrate two underside greeblies into the model, AAAAARRRRGGGGHHH!

    After that and then a software crash - note to self DO NOT have one of the slice images open when the slicing completes as it makes it crash.

    So, It's nearly 4am, but the print has been running for about 2 hours and looks ok, so hopefully I haven't make any stupid mistakes in editing the supports and when I get up there will be about 1/4 of a Firefox to take a picture of.
  14. rbeach84's Avatar
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    1 Week Ago  Jun 11, 2018, 10:20 PM - Re: Firefox MIG-31 movie aircraft #364

    Outstanding! (crowd goes wild!)

    Best, Robert
  15. Firefox3D's Avatar
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    1 Week Ago  Jun 12, 2018, 7:52 AM - Re: Firefox MIG-31 movie aircraft #365

    Pic of what the part looks like in the slicing software, so you can tell what you are looking at The software somehow estimates the print time at around 3.12 hours!?! Think that might just be a bug, lol.

    Click image for larger version. 

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    All going well by the look of it, the resin is quite viscous so hangs on around the support joints and the panel lines, you can makes some of them out in the pics.

    Looks like it will finish around 2am, so around a 24 hour print time. It's actually comparable with the time of an FDM print considering it's 50 micron layers, around 27 seconds a layer.

    Click image for larger version. 

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    Oh and a pic that shows the other side of the print, tricky bit will be the really thin probe parts on the tailplanes, if they get messed up I will cut them off and print separately.
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    1 Week Ago  Jun 12, 2018, 9:33 AM - Re: Firefox MIG-31 movie aircraft #366

    That's looking pretty good so far. Crazy colour though...
    I don't know, a banana coloured Firefox would be unique though!
  17. Firefox3D's Avatar
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    1 Week Ago  Jun 12, 2018, 1:59 PM - Re: Firefox MIG-31 movie aircraft #367

    32buds said: View Post
    That's looking pretty good so far. Crazy colour though...
    I don't know, a banana coloured Firefox would be unique though!
    How dare you insult the colour of my resin they call it cream, it does look banana yellow with the flash, still a bit more interesting than grey...

    Click image for larger version. 

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    Emerging from the ooze, going well, hard to see but the small vent detail on the top of the engines intakes and the airbrakes on the wings look good. Also the super thin probe parts on the tailplanes are good at just over 1mm wide, bodes well for the canopy struts printing ok.

    I left the intake vanes out as they are 0.5mm thick correct scale which I don't think would work. If 1mm plastic looks ok then I will add them to the next print.
  18. Member Since
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    1 Week Ago  Jun 12, 2018, 3:05 PM - Re: Firefox MIG-31 movie aircraft #368

    Oh yes, that's looking good.
    As for the intake vanes, what about some thin brass sheet? How many vanes are in each engine intake? Each modeller could supply his own- just a thought...
  19. Firefox3D's Avatar
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    1 Week Ago  Jun 12, 2018, 5:12 PM - Re: Firefox MIG-31 movie aircraft #369

    I had thought about brass, there are two per intake - 8 plus one small one at the front. Would be easy photoetch artwork to make, they are small only 20mm tall. At a quick estimate around 8 kits per standard sheet size, so wouldn't add much to the cost.
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    1 Week Ago  Jun 13, 2018, 1:26 AM - Re: Firefox MIG-31 movie aircraft #370

    Sounds good. Can't wait to see the finished model.
  21. Firefox3D's Avatar
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    1 Week Ago  Jun 13, 2018, 12:03 PM - Re: Firefox MIG-31 movie aircraft #371

    Part printed ok apart from the last bit. I thought it was a gamble as when a part of the print closes it can trap air and the oxygen inhibits the curing, thought the area would be small enough not to matter, bugger.

    Cleanup was fun as it was too big to fit in any of the containers I have, so had to do it the hard way and bath it with IPA with a brush.

    I feel in a glass half full mood because it's not completely ok, but it's like 95%+ perfect and just changing the print should stop it from happening, have a couple of ideas to try.

    The part is sunbathing at the moment, will post pics later when it's cured.
  22. Firefox3D's Avatar
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    1 Week Ago  Jun 14, 2018, 8:56 AM - Re: Firefox MIG-31 movie aircraft #372

    Better late than never, went to my Dad's for dinner last night and watched The Departed, maybe 5th time for me 1st time for my Dad. He enjoyed it apart from having trouble understanding the Boston accent

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    Print actually took nearly 30 hours at 50 micron layers. Haven't done any cleanup yet,intakes need flattening where there is excess from the support points. All the tiny details came out great, quite surprised about the tiny little points off the top of the tailplanes, the little fin bits next to them are missing about 50% they were just too thin, about 0.25mm, little bit thicker should fix that. Airbrakes on the wings are slightly soft, but I'm being super picky there.

    Have worked out that the slightly thick thin effect (slight band across the wing and near the exhausts) happens when there is an outer shell and inner shell with a void in-between. I'm guessing the resin either swells or contacts when it's curing, so need to fill those parts and possibly thicken the shell overall. Pretty sure the split behind the tailplalne is from a similar effect, think if I taper the inside so the last part prints solid should fix that. The small under engine parts will have to be printed as a separate pieces I think with an optimised orientation.

    Will be quite an easy kit as that's about 50% of the plane in one piece. Working on organising the front print, can hopefully fit all the other parts into the same print job.
  23. Formerly GELForever Martin-El's Avatar
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    5 Days Ago  Jun 16, 2018, 4:45 AM - Re: Firefox MIG-31 movie aircraft #373

    That's looking very sharp - can't wait to see how the all-important nose prints up. While you're waiting for the machine to do it's thing why not post up a gallery of those oh so sexy renders you do so well?

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