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Author Previous Topic: In-ko-pah RR: New project Topic Next Topic: Intro.- the Holt house-the White house. Finale.
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MarkF
Engineer

Premium Member


Posted - 09/01/2017 :  09:21:52 AM  Show Profile  Reply with Quote
I'm sure it is Jim. I have yet to see one of these in person but am fascinated as to what can be done with one. Of course, it makes me wonder just how much this will change our hobby. To be able to just print out a wall, a part, etc., just amazes me.

Mark

Country: USA | Posts: 13755 Go to Top of Page

BurleyJim
Fireman

Premium Member


Posted - 09/03/2017 :  12:45:49 PM  Show Profile  Reply with Quote
Update on the build...

I'll add another bay while working on the siding next.



Jim


Take the red pill

Country: USA | Posts: 6028 Go to Top of Page

MarkF
Engineer

Premium Member


Posted - 09/03/2017 :  11:36:09 PM  Show Profile  Reply with Quote
Looks great Jim!

Question... I was talking about your thread the other night and one of the guys in my group made the comment on how expensive 3D printing still is. I mentioned that I thought you said that it was like a couple of dollars to do the one stall and he said impossible! He mentioned a thread on Model Railroad Hobbyist where the guy did a 3D printing of a wood chip car that he calculated cost him about $172! Apparently the cost of the printing is related to detail?

I'm confused! Care to comment and educate us a little?


Mark

Country: USA | Posts: 13755 Go to Top of Page

BurleyJim
Fireman

Premium Member


Posted - 09/04/2017 :  2:17:24 PM  Show Profile  Reply with Quote
Mark,

I'm going to answer your question and debunk the mystery. Whoever paid $172 for a wood chip car, I've got a bridge for sale. Maybe the guy in your group got a decimal point in the wrong place. There are some folks that are so set in their thinking, that they just don't want to change their view. So here are some screen shots of ACTUAL parts, and their cost. A kilogram of the filament used was $19.99. The roof panel which was the largest single part, used 21.24 grams of filament. That's 103 panels from a single kilogram spool. In 11 months of use, I'm on my third spool of filament.






The printer working on a roof panel.




No decimal error, it's $.40 (forty cents.)




A $.24 frame member. 2 required to add a bay.



The least amount of filament used. $.01

The 40+ parts I printed for the Depressed Center Pipe Car cost less than $5.00, in fact the couplers cost me more than the car.

If the $172 car guy went out and bought parts off of a third party printer, or paid someone to draw, print, paint, and assemble his car, I can't figure it out. You can end the myths by looking at the pictures. A little education and practice is a great asset. So many Public Libraries have 3D printers, most of the software is free, etc., etc. Hope this explains a little.

Jim


Take the red pill

Edited by - BurleyJim on 09/04/2017 2:18:40 PM

Country: USA | Posts: 6028 Go to Top of Page

MarkF
Engineer

Premium Member


Posted - 09/05/2017 :  12:05:31 PM  Show Profile  Reply with Quote
Well, the proof is in the pudding, or in this case, on the screen! I can't imagine the difference and I know so little about this fascinating technology, all I have to go on right now is what I am told, but seeing what you posted makes me a believer. Thanks for the information.

I know this is becoming more and more common so I have to believe that one day soon, one of those things will be in my house as well.

Keep us posted on your progress. It's looking great!


Mark

Country: USA | Posts: 13755 Go to Top of Page

Frank Palmer
Fireman



Posted - 09/05/2017 :  6:54:19 PM  Show Profile  Visit Frank Palmer's Homepage  Reply with Quote
Love that International Orange, was the color inspired by the Golden Gate bridge?

Frank

Country: USA | Posts: 6080 Go to Top of Page

BurleyJim
Fireman

Premium Member


Posted - 09/05/2017 :  11:08:13 PM  Show Profile  Reply with Quote
quote:
Originally posted by Frank Palmer

Love that International Orange, was the color inspired by the Golden Gate bridge?



Why, yes it was. Actually I got it cheap, and used it to make some mounting bracket for those 44 pin connectors that Digitrax uses. So, when I got the hairbrained idea of a roundhouse, that was the plastic I had loaded. I just finished the last beam and I've got about 12 feet of filament left on the spool. Switching to green for the doors and trim. I'll paint it all before I put a complete check on it.
Funny because as I was working with the orange plastic, I thought I was Tony Bennett.

Jim


Take the red pill

Country: USA | Posts: 6028 Go to Top of Page

tloc
Fireman

Premium Member


Posted - 09/06/2017 :  08:15:36 AM  Show Profile  Reply with Quote
Jim as always nice work.

TomO



Country: USA | Posts: 4202 Go to Top of Page

David Clark
Fireman



Posted - 09/06/2017 :  12:50:04 PM  Show Profile  Reply with Quote
Jim,
Don't confuse the issue with facts, alternative or otherwise! I must say that I am impressed by how inexpensive 3D printing can be. I guess once you have all the design done, etc., the cheapest part is the actual materials. The roundhouse is looking great, by the way.
Cheers,
dave



Country: Canada | Posts: 1243 Go to Top of Page

BurleyJim
Fireman

Premium Member


Posted - 09/07/2017 :  4:17:22 PM  Show Profile  Reply with Quote
Thanks Tom and David. David, you are 100% correct, the biggest expense is in the design and educating one's self in how it all works. Once you've made that investment, you get some pretty nice results. Like I mentioned before, some public libraries or schools have the printers. The time it takes my machine to build a part is very much dictated by the very small nozzle (.35mm) for the extrusions. I trade off speed for precision. Here's the latest on the roundhouse.

I've stopped at 5 bays. The center roof sections are printing using white filament as I finally ran out of Frank Palmer Orange.
It'll all be painted light gray primer in a couple of days. I made up some 4mm wide ridgecap that came out pretty good and it will be added later.




Jim


Take the red pill

Country: USA | Posts: 6028 Go to Top of Page

George D
Moderator

Premium Member


Posted - 09/07/2017 :  5:22:50 PM  Show Profile  Reply with Quote
looking good, Jim.

George


Fly Army

Country: USA | Posts: 16583 Go to Top of Page

Michael Hohn
Fireman



Posted - 09/07/2017 :  5:52:28 PM  Show Profile  Visit Michael Hohn's Homepage  Reply with Quote
Jim,

Impressive.

Frank Palmer orange? Not Illinois orange (and blue)?

Mike


_______________________________________
And we gazed upon the chimes of freedom flashin' Bob Dylan

Country: USA | Posts: 6993 Go to Top of Page

ed k
Fireman

Posted - 09/07/2017 :  7:17:07 PM  Show Profile  Reply with Quote
Beautiful work, Jim.
ed



Country: USA | Posts: 1091 Go to Top of Page

Orionvp17
Fireman

Premium Member

Posted - 09/07/2017 :  7:21:45 PM  Show Profile  Reply with Quote
Nicely done, Jim! Very nicely done!

Pete
in Michigan



Country: USA | Posts: 7457 Go to Top of Page

k9wrangler
Engineer



Posted - 09/07/2017 :  10:03:10 PM  Show Profile  Reply with Quote
Most excellent.

Karl Scribner
Sunfield Twp. Michigan
H.M.F.I.C
Kentucky Southern Railway
The Spartan Line

Country: USA | Posts: 11769 Go to Top of Page
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