Shrinkage is a known constant and the great thing is that you can design to correct size in the 3D app, then tell it to scale up in all directions by the shrinkage % ¡
? On May 4, 2020, at 5:47 PM, Bill in OKC too via < wmrmeyers@...> wrote:
If I ever get a printer that will print metal objects, I just might do that! My interim plan is to learn to print stuff I can use as patterns for sand casting molds. I've got a number of projects hanging fire on my eventually learning how to design stuff for the 3D printer. One advantage to doing the plastic patterns is that they can be simpler shapes, with machining done after casting. That can help with making castings with the correct amount of shrinkage in the metal castings. I'm just wondering how many attempts it will take to get parts that can be machined to specification. One day I hope to find out! Bill in OKC William R. Meyers, MSgt, USAF(Ret.) A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects. LAZARUS LONG (Robert A. Heinlein) On Monday, May 4, 2020, 11:26:33 PM UTC, mike allen < animal@...> wrote: ???? ??? make one with yer printer ??? ??? animal On 5/4/2020 3:46 PM, Bill in OKC too via wrote: I downloaded all of them I could find, and ordered the ones that I thought I could actually use in dead-tree versions, too. The only things I didn't order that way are the ones for wiring and motors, as the UK standards are so different from our own. and the CNC stuff that I didn't have a real interest in at that time. Didn't get the Unimat books, either, since none of my machines are that smal I know I'm a crummy programmer, so I'm trying to stay away from CNC, but I did get a 3D printer, so I'm trying to learn to at least design stuff for the printer. If I ever trip over a Unimat, I know where to get some good books... ;)
Bill in OKC
William R. Meyers, MSgt, USAF(Ret.)
A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects. LAZARUS LONG (Robert A. Heinlein)
? On Monday, May 4, 2020, 10:31:05 PM UTC, Bruce J <bruce.desertrat@...> wrote:
? I¡±ve gotten a couple as well. I was just quite surprised to find them on ¡. On May 4, 2020, at 1:40 PM, Bill in OKC too via <wmrmeyers@...> wrote: It's not all of them, but it is all up to #39, which is pretty nice. I've got most of them. You can order them direct from the publisher for (last I did it,) about $10-15 each, or though Amazon. I've bought a bunch of them, including both for the 7x mini-lathes, #43 & #48, IIRC.
Bill in OKC
--? Bruce Johnson
"Wherever you go, there you are." B. Banzai, PhD
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