I don't do 3D printer work, but I do know something about designing plastic parts. I'm also familiar with "jobbing" work out to other shops. It doesn't make any difference what tolerances the Polyjet

re: Formlabs 3L Looks impressive to me: https://formlabs.com/3d-printers/form-3l/ Probably has an impressive price, too. Jack Wyatt

I worked for a 3D printing company from 1995 through 2016 and will back up Ryan's comments 100%. I'll also stress the point that parts that have to match or fit together have to be printed together,

Ok here goes. 1. Yes, Parts can come out different sizes if printed along its length or across its length. 2. Out of the printer I can say it will hold +\- 0.002” over an inch, but it can shrink or

Hi Ryan, It's great to hear from a subject matter expert that actually works in this industry . Thank you for your excellent explanation. For reference, here is a quote from both Projet 3600 and

The Santa Fe Folio sheet for the Bx-48 does not list the type of running board used except it says it is steel. However on large orders for cars, 750 in the Bx-48 class, it is not unusual for Santa Fe

Thank you Gary -- Tim O'Connor Sterling, Massachusetts

Tim, The painting diagram shows they were No. 10 Red. gary roe quincy, illinois

Bill, it depends what you want to do. While the Prohet machines seem to be the only ones that have a large enough build area to do complete HO scale passenger car sides and roofs, the SLA machines,

One more thought. Another reason why I think it makes sense to think in terms of the joint not being a corrugation that is counted, is to think of the panels independently. That is, the top panel of a

Looking at the pictures, I don't understand how you're counting things. For example, I would count first two pictures as 5/7/5 and the third as either 5/5/4 or 6/6/4, depending on whether you count

Thank you! That explains what happened to some parts I ordered - I didn't understand the surface striations I got. Not big but visible. Now I do. Well... May need to try again. Steve

Thanks for the pix of the actual prints. So infrequently see the real results. Agree that in HO the striations (stepping) are not objectionable. As you move up to S scale, I am tempted to think from

No worries, see you at THE Beach Ryan. Bill Welch

I will take a video but I am off work for two weeks so it will have to wait

Ed Bx-48 ATSF 274714, at least, appears to have had a MORTON running board and brake step. The photo date is 1977, but the car is almost certainly

Were these cars painted black, or oxide red, when they were new? Tim O'Connor -- Tim O'Connor Sterling, Massachusetts

STMFC, I have corresponded off-list with Lester about this question. For the STMFC discussion group I offer the following information. For the ATSF Bx-48 box cars 274000-274749, my STMFC roster with

Southern-grown watermelons. Real thick rind (made great watermelon pickles) deep red juicy flesh with lots of black seeds. Weighed a ton, but shipped and stored well. Fell out of favor in the early

Garth Groff wrote: Sometimes when a photo like this, of the shady side of a car, doesn't have all the detail you wished it did, the lab would "improve" it for you. Both the trucks and the rivet