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PostPosted: Wed Jun 05, 2013 2:59 pm 
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Location: Paris
Just to get an idea, how much roughly did the frame below set you back ?

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PostPosted: Wed Jun 05, 2013 3:06 pm 
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http://www.shapeways.com/materials/frosted-detail

"FUD" material is USD3.49/cm3... and there is a good number of cm3's in there...

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PostPosted: Wed Jun 05, 2013 3:14 pm 
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Yes, I know, how they calculate it, but would have liked to get a rough idea of the cost such a part before diving myself into the subject matter :big_grin:

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PostPosted: Wed Jun 05, 2013 3:42 pm 
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Pretty amazing Pat. Hard to believe parts made by a "printer". Looking great.... :thumbs_up_1: :thumbs_up_1: :thumbs_up_1: :wave_1:

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PostPosted: Sun Jun 09, 2013 3:00 pm 
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Location: Michigan
A little hard to see all the parts in some of the previous shots, so's here's a catalog for anyone keeping score.
I actually have a lot more parts coming in the net 2 weeks... in the meantime, I'll be fettling these, getting them ready for paint.

Again, the parts come in with some wax and oil, which I clean off each part with warm soapy water and a toothbrush. Then, each part needs a certain amount of surface smoothing in addition to the deflashing/sprue clean up that you'd expect with a plastic kit.

The plastic is more brittle than regular styrene, which means de-spruing needs to be done more carefully. You can't just snip the parts off... I've been using a jeweler's saw instead.


Attachments:
File comment: The House
c_7692.JPG
c_7692.JPG [ 104.57 KiB | Viewed 1188 times ]
File comment: Hull... with black CA gooped on to hold the internal bulkheads.
c_7693.JPG
c_7693.JPG [ 99.8 KiB | Viewed 1188 times ]
File comment: Ladders and railings
c_7695.JPG
c_7695.JPG [ 191.83 KiB | Viewed 1188 times ]
File comment: Rub rails and aft aux gasoline tanks
c_7696.JPG
c_7696.JPG [ 139.49 KiB | Viewed 1188 times ]
File comment: Forward bulwark braces
c_7697.JPG
c_7697.JPG [ 150 KiB | Viewed 1188 times ]
File comment: Some boxy things
c_7698.jpg
c_7698.jpg [ 181.74 KiB | Viewed 1188 times ]
File comment: RHIB outboards
c_7699.JPG
c_7699.JPG [ 178.63 KiB | Viewed 1188 times ]
File comment: Reels & liferaft racks
c_7700.JPG
c_7700.JPG [ 173.87 KiB | Viewed 1188 times ]
File comment: RHIB cradles, cages, lift structures
c_7701.JPG
c_7701.JPG [ 194.76 KiB | Viewed 1188 times ]
File comment: Vent gratings
c_7702.JPG
c_7702.JPG [ 176.46 KiB | Viewed 1188 times ]

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PostPosted: Sun Jun 09, 2013 3:02 pm 
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Location: Michigan
more


Attachments:
File comment: Doors & hatch covers
c_7703.JPG
c_7703.JPG [ 179.52 KiB | Viewed 1191 times ]
File comment: Skegs & props
c_7704.JPG
c_7704.JPG [ 175.55 KiB | Viewed 1191 times ]
File comment: Bevy of vent pipes
c_7705.JPG
c_7705.JPG [ 157.7 KiB | Viewed 1191 times ]
File comment: Crane parts
c_7706.JPG
c_7706.JPG [ 159.63 KiB | Viewed 1191 times ]
File comment: Capstans, ground tackle gear
c_7707.JPG
c_7707.JPG [ 172.67 KiB | Viewed 1191 times ]

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PostPosted: Sun Jun 09, 2013 3:10 pm 
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Location: Michigan
And here's what's coming:


Attachments:
File comment: Miscellaneous things that stick out here and there
Parts1.JPG
Parts1.JPG [ 40.92 KiB | Viewed 1194 times ]
File comment: Pilot house glazing (clear)
Parts2.JPG
Parts2.JPG [ 23.45 KiB | Viewed 1194 times ]
File comment: The RHIBs and a few little parts
Parts3.JPG
Parts3.JPG [ 38.21 KiB | Viewed 1194 times ]

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PostPosted: Tue Jun 25, 2013 5:28 pm 
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Location: Michigan
Alright, after a long time of researching, designing, ordering, and waiting for the UPS man, I now have ALL parts in hand to complete the build. Basically, I'm at the point where a kit modeler excitedly opens the new box!

Most everything has been washed, de-sprued, fettled, and washed again, ready for paint and assembly. And indeed, I've started with prime/sand/prime/sand/repeat on the large parts-- hull and cabin. A lot of filling is needed to remove all traces of the 3D Print strata.

The new RHIB parts were just received today. These come from i.materialise, a Belgian firm that operates like Shapeways, but also farms work out to shops around the world... my parts came to me in Michigan from Wisconsin.
Shapeways' fine detail parts are all done on multijets, but i.materialise leans heavily on stereolithography (the process where parts are drawn by laser in a pool of liquid resin). Both processes are capable of very high definition... but you are at the mercy of the supplier, who may choose not to use the highest def process in interests of processing time. You can still see the strata on the close up of the small RHIB... but it's almost invisible to my unaided 56 year old eyes. They'll still get sanded and filled though.

Another point is that you are at the mercy of part orientation... look closely at the seat/deck assembly for the large RHIB, it's downright glossy... that surface was horizontal and up.


Attachments:
File comment: RHIBs. Big ones are split so that I could hollow them out to save material.
f_7787.JPG
f_7787.JPG [ 129.95 KiB | Viewed 1115 times ]
File comment: Small RHIB, with visible striations
f_7789.JPG
f_7789.JPG [ 122.06 KiB | Viewed 1115 times ]
File comment: Hull, nicely filled and smoothed.
f_7791.JPG
f_7791.JPG [ 69.84 KiB | Viewed 1115 times ]
File comment: Hull, cabin, roof-- all coming along nicely
f_7792.JPG
f_7792.JPG [ 75.48 KiB | Viewed 1115 times ]
File comment: 124 stanchions in 0.5mm stock- all desprued and fettled.
f_7793.JPG
f_7793.JPG [ 150.47 KiB | Viewed 1115 times ]

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PostPosted: Wed Jun 26, 2013 6:32 am 
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ok I registered and am posting so that I can follow this build better!
Looks great so far!
I sent an e-mail out to Hawk Graphics in Canada asking about decvals for Cdn Coast Guard vessels. I have the PDF of our color scheme and appearance, so if they are interested, I might be able to get them to produce a decal set of some sort.

Cheers
G-O


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PostPosted: Sun Jul 14, 2013 8:40 pm 
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Location: Michigan
I lied. I said this model would be 99% 3D Printed. Well, maybe 96%... I made the main deck from plywood & styrene.
I did design a deck for printing, but it was so trivial I didn't bother... just used the design as a pattern to cut out the 1/32" aircraft ply, and coated that with 0.010" styrene.
Also, the bulkheads and deck beams are ply.
And I turned the exhaust outlets from brass.
I have to admit, it was good smelling the sawdust again as I sanded the deck edge...


BTW, the notches in the aft quarters are for ejectable gasoline tanks, as spec'd by the CCG. The ship is diesel powered, so they have to carry gasoline for the boats on deck. This is done with these side tanks, and the tanks are ejectable for safety reasons...


Attachments:
a_8019.JPG
a_8019.JPG [ 120.43 KiB | Viewed 978 times ]
a_8017.JPG
a_8017.JPG [ 152.25 KiB | Viewed 978 times ]
a_8018.JPG
a_8018.JPG [ 105.11 KiB | Viewed 978 times ]

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PostPosted: Mon Jul 15, 2013 7:44 pm 
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Almost forgot the bow thruster!

The bore through is about 5/16" diameter.


Attachments:
b20130715_203650.jpg
b20130715_203650.jpg [ 80.9 KiB | Viewed 927 times ]

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PostPosted: Tue Jul 16, 2013 9:19 pm 
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Location: Michigan
Propshafts-on-skegs, and aft quarter rub rails. I printed the portion of the rub rails with all the intersecting parts, and used 1/2 round styrene for the long straight run forward.


Attachments:
File comment: 1:1 skegs and rub rails
b_0042.JPG
b_0042.JPG [ 137.21 KiB | Viewed 887 times ]
File comment: My skegs
b_8020.JPG
b_8020.JPG [ 124.46 KiB | Viewed 887 times ]
File comment: My rub rails
b_8021.JPG
b_8021.JPG [ 105.58 KiB | Viewed 887 times ]

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PostPosted: Sun Jul 21, 2013 10:12 am 
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Location: Michigan
A busy weekend with the airbrush. Lots of little details, as well as big jobs like the hull. I jump around a bit... painted and assembled the aft ladder for example.


Attachments:
File comment: Hull mostly painted
c_8023.JPG
c_8023.JPG [ 166.99 KiB | Viewed 791 times ]
File comment: Aft ladder, all 3DP
c_8022.JPG
c_8022.JPG [ 144.66 KiB | Viewed 791 times ]
File comment: 1:1 ladder... ok, a few liberties taken... my railings are a heavy 0.75mm, close to the limit for this printing technology and modeling feasibility.
c_7661.JPG
c_7661.JPG [ 163.15 KiB | Viewed 790 times ]

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PostPosted: Sun Jul 21, 2013 11:12 am 
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Great stuff Pat! :thumbs_up_1:

I always have to do a double take to check if I'm looking at a picture or the model. OK, that may be a slight exaggeration, but not by much.

Thanks for posting your work (play).

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1/144 USS Batfish (SS-310) - ACAD/3D Printing


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PostPosted: Sun Jul 21, 2013 8:20 pm 
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The forward bulwark braces (20 per side) are ALL different, to fit inside the bulwark with its changing form. Of course you COULD design these to be printed with the hull, but then it would be a nightmare to sand between them, not to mention painting, especially where they meet the deck. So they're all loose, and now it's time to pay the piper...

I designed them 0.5mm "into" the bulwark wall, and then subtracted them from the hull, leaving perfectly placed grooves for placement. These are all scraped out after painting, and the braces are prepainted and ready for gluing in place. Well, at least I've started.


Attachments:
File comment: Scraping the grooves out... 0.5mm wide.
c_8024.JPG
c_8024.JPG [ 110.39 KiB | Viewed 746 times ]
File comment: It's a start.
c_8025.JPG
c_8025.JPG [ 111.1 KiB | Viewed 746 times ]

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PostPosted: Mon Jul 22, 2013 9:10 pm 
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Evening's progress... black stripes on the white band, white paint on the house (and buffed out too!), and finished one side of bulwark braces.


Attachments:
c_8026.JPG
c_8026.JPG [ 112.21 KiB | Viewed 696 times ]

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PostPosted: Tue Jul 23, 2013 7:43 pm 
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Location: Michigan
If you're going to print a hull, you can include all sorts of features... ledge for the deck, ribs for placing bulkheads, etc.
I included nice heavy bosses for the pedestal mounting.
> Inside, a cut-out locates the 1/4"-20 nuts; a simple cap is glued on to trap the nut.
> Under the keel, cut-outs provide sockets for the pedestals themselves. These are flat-bottomed, and set at the same height, so the pedestals are simple flat topped cylinders of the same length, and they mount the hull perfectly square to the base... no carving the pedestals to fit the hull!

And being so solid, I have no fears about the mounting screws being snugged up over the years...


Attachments:
File comment: Nut in socket
d20130723_202504.jpg
d20130723_202504.jpg [ 122.4 KiB | Viewed 653 times ]
File comment: Cap to trap the nut
d20130723_202802.jpg
d20130723_202802.jpg [ 114.63 KiB | Viewed 653 times ]
File comment: Socket underneath perfectly matches the pedestal.
d20130723_202544.jpg
d20130723_202544.jpg [ 74.91 KiB | Viewed 653 times ]

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PostPosted: Wed Jul 24, 2013 8:42 pm 
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Working on the foredeck, it's like hanging ornaments on a tree...

You can see some of the crazy bent vent pipes along the bulwarks... easy in 3D, they'd be a bear to hand build!


Attachments:
File comment: 1:1 version
e_7560.JPG
e_7560.JPG [ 173.69 KiB | Viewed 607 times ]
File comment: ALL fittings should be pegged for mounting. Sometimes I remember to include them in the 3DP, sometimes I add them, like here with 0.030" rod.
e_8027.JPG
e_8027.JPG [ 76.12 KiB | Viewed 607 times ]
File comment: Most of the gear loosely in place. Needs a lot of touch up paint still. I like how the detail on the windlass came out.
e_8028.JPG
e_8028.JPG [ 93.18 KiB | Viewed 607 times ]

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PostPosted: Thu Jul 25, 2013 11:41 am 
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koooorrrrr!! Wicked little project mate! :thumbs_up_1: :thumbs_up_1: looks stunning with some red paint on her.

Cheers Bruce

PS: how much has it cost in total so far........! :eyes_spinning: :eyes_spinning:

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PostPosted: Fri Jul 26, 2013 9:57 pm 
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Location: Michigan
Another example of the problem of surface finish. SLS (selective laser sintering) fuses dry nylon powder together to make the part. It's more affordable than most multijet processes, but it make porous parts with a larger step dimension. This means lots of filling and sanding, which again means that little surface detail should be included to allow for the sanding. It's also helpful to use a heavy primer-filler for the first coat or two.

My pilot house and pilot house roof are both SLS. The house is nearly done and is looking good, while the roof has only had the first coat of primer filler, and could use another before I go to regular "finish primer"... see the steps in the shallow angles on the roof.


Attachments:
f_8031.JPG
f_8031.JPG [ 144.98 KiB | Viewed 541 times ]
f_8030.JPG
f_8030.JPG [ 125.03 KiB | Viewed 541 times ]

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