 | | Missing primitives after part update.
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Hello, This is my first post, so please bear with me if I screw up. I have downloaded the Ldraw part updates, and installed them according to the instructions posted at the update site. My problem is that, every time I opened a parts folder in (...) (18 years ago, 30-Nov-06, to lugnet.cad.dat.parts.primitives)
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| | Re: Non square stud groups?
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(...) Search for "stug" and you'll find some threads about this. The biggest problem I see is one of confusion and consequent complication. Due to stud orientation you cannot rotate a 1x4 stud group by 90 degrees to get a 4x1 stud group - so you (...) (18 years ago, 8-Oct-06, to lugnet.cad.dat.parts.primitives)
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| | Re: Non square stud groups?
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(...) Search for "stug" and you'll find some threads about this. The biggest problem I see is one of confusion and consequent complication. Due to stud orientation you cannot rotate a 1x4 stud group by 90 degrees to get a 4x1 stud group - so you (...) (18 years ago, 8-Oct-06, to lugnet.cad.dat.parts.primitives)
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| | Re: Non square stud groups?
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(...) My girlfriend thinks I'm a non-squre stud. Sorry. Couldn't resist. It's a quarter till 2am. I don't know why I'm up. (18 years ago, 24-Aug-06, to lugnet.cad.dat.parts.primitives)
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| | Non square stud groups?
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Is there any support for non square stud groups? Some of of the obvious ones would be 1X4, 1X6, 1X8, and 1X16. (18 years ago, 24-Aug-06, to lugnet.cad.dat.parts.primitives)
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| | Re: 1-3 cyli, disc, edge - what's the best way?
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Scratch that! Just found the 1-3 primitives lurking in the p\48 directory DOH!!! (18 years ago, 14-Aug-06, to lugnet.cad.dat.parts.primitives)
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| | 1-3 cyli, disc, edge - what's the best way?
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I recently needed a set of 1-3 circular primitives (120 degrees) Before even addressing if these should be official primitives (as opposed to sub-parts), what do people consider the "best" way of constructing these? a) overlapping two 1-4 (or 3-16) (...) (18 years ago, 14-Aug-06, to lugnet.cad.dat.parts.primitives)
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| | Triangular box primitive 2 [DAT]
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And another one. 0 Triangular prism, 3 faces drawn, 1 edge left out 0 Name: tri3U.dat 0 Author: Mark Kennedy 0 BFC CERTIFY CCW 2 24 1 1 0 0 1 1 2 24 0 1 1 0 1 0 2 24 0 1 0 1 1 0 2 24 1 0 0 0 0 1 2 24 0 0 1 0 0 0 2 24 0 0 0 1 0 0 2 24 1 0 0 1 1 0 2 (...) (18 years ago, 2-Jul-06, to lugnet.cad.dat.parts.primitives)
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| | Triangular box primitive [DAT]
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Here is a new Triangular box primitve that could prove usefull in some models. 0 Triangular prism, 3 Adjacent faces drawn, 1 edge left out 0 Name: tri3A.dat 0 Author: Mark Kennedy 0 BFC CERTIFY CCW 2 24 1 1 0 0 1 1 2 24 0 1 1 0 1 0 2 24 0 1 0 1 1 0 (...) (18 years ago, 2-Jul-06, to lugnet.cad.dat.parts.primitives)
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| | Re: Suggested New Primitive: 4-4cyl12.dat
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(...) L3P cannot substitute a primitive it doesn't know, but the above mentioned 4-4cyl12.dat will be treated like any ordinary DAT file, and then the 4-4cyli.dat and the 4-4disc.dat will get substituted (the edges are not used in L3P). I'm not sure (...) (18 years ago, 23-May-06, to lugnet.cad.dat.parts.primitives)
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| | Re: Suggested New Primitive: 4-4cyl12.dat (was: More cylinder primitives wanted)
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[Lotsa snipping] (...) I'm fine with that. Taking up the issues Chris raised (but out of order): (...) I think we need to allow for partial rods. (...) It seems fair to limit rods to single-digit denominators. Since these are primarily convenience (...) (18 years ago, 17-May-06, to lugnet.cad.dat.parts.primitives)
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| | Re: Suggested New Primitive: 4-4cyl12.dat (was: More cylinder primitives wanted)
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(...) We could use "rod" as a short base name for these. Do we need to allow for non-360 degree versions? I didn't see any requirements for partial cylinders in the thread so far. Was that implicit in the request? 1) If not, one would be to use a (...) (18 years ago, 17-May-06, to lugnet.cad.dat.parts.primitives)
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| | Re: Suggested New Primitive: 4-4cyl12.dat (was: More cylinder primitives wanted)
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(...) Since we've already got primitives like '5-24cyli.dat', I think it would be a good idea to restrict the suffix of the file name to 4 characters. I wouldn't want to start right out making specialized cylinders-with-edges for every single (...) (18 years ago, 16-May-06, to lugnet.cad.dat.parts.primitives)
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| | Re: Suggested New Primitive: 4-4cyl12.dat (was: More cylinder primitives wanted)
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(...) I thought of that, but liked the idea of more descriptive names, like the rect*.dat series. The '1' would in this case stand for number of discs, and '2' for number of edges. But I could definifly live with cyla, cylb etc too. (...) Same here. (...) (18 years ago, 15-May-06, to lugnet.cad.dat.parts.primitives)
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| | Re: Suggested New Primitive: 4-4cyl12.dat (was: More cylinder primitives wanted)
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(...) How about N-4cyla.dat, N-4cylb.dat, etc? Although I have to admit -- I'm not a huge fan of saving a few lines of code here and there. When two such primitives are adjacent, I always have to double-check which one includes the edge(s). (...) (...) (18 years ago, 15-May-06, to lugnet.cad.dat.parts.primitives)
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| | Suggested New Primitive: 4-4cyl12.dat (was: More cylinder primitives wanted) [DAT]
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(...) There is no rule against primitive files calling to other \P files. I didn't have to look very long to find one. And if we inlined them, I suspect the primitive substitution in L3P will not work until L3P is updated to support the new ones. (...) (18 years ago, 14-May-06, to lugnet.cad.dat.parts.primitives)
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| | Re: Solid or hollow centerstuds?
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(...) Thanks for the quick answer. When going through some existing parts to make these BFC certified, I came across part 2428, which seems to be created with hollow centerstuds, but the inside is missing. I'll change these to stud3's instead of (...) (18 years ago, 4-Jan-06, to lugnet.cad.dat.parts.primitives)
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| | Re: Solid or hollow centerstuds?
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(...) Since there is no difference in functionality, LDraw should stay with only solid stud3's. If we introduce a hollow version, that will lead to confusion. Steve (18 years ago, 4-Jan-06, to lugnet.cad.dat.parts.primitives)
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| | Solid or hollow centerstuds?
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A few years ago TLC changed the design of the small centerstuds at the bottom of many bricks to hollow (to save material). (See 1xN plates and bricks, but also many other parts) For parts that exist with both the hollow and the solid centerstuds the (...) (18 years ago, 4-Jan-06, to lugnet.cad.dat.parts.primitives)
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| | Re: "odd" rings
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(...) Yes, use 2 rings. Rings and cones are one of the few exceptions we make regarding overlapping quads/triangles. Check out this Excel spreadsheet that will show you the scaling you need to use for the rings: (URL) (19 years ago, 28-Aug-05, to lugnet.cad.dat.parts.primitives, lugnet.cad.dat.parts)
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