 | | Re: Parts with odd angles —Terry Keller
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| | | (...) Not obvious to me. Clarify what you mean a little. (...) Deduction takes brain cells. Why not just amuse us with an anecdote? -- Terry K -- (25 years ago, 15-Jul-99, to lugnet.cad.dev)
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| | | | | Re: Parts with odd angles —Jeremy H. Sproat
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| | | | (...) Okay. In order to pivot a piece, you need two pieces of information: the *angle* of rotation, and the *axis* of rotation. Given one, it's a little work to figure out the other. Cheers, - jsproat (25 years ago, 15-Jul-99, to lugnet.cad.dev)
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| | | | | | Re: Parts with odd angles —Jeremy H. Sproat
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| | | | | (...) Note that the angle and axis of rotation can be wrapped up nicely in a LDraw matrix -- suppose we supply this data as a preformatted matrix? Thus, a Technic Motorcycle Pivot Rotation Guide would be an LDraw line with the proper rotation matrix (...) (25 years ago, 15-Jul-99, to lugnet.cad.dev)
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| | | | | | Re: Parts with odd angles —Steve Bliss
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| | | | (...) That's for hinged pieces where the hinge's axis is not located at <0,0,0>, right? Steve (25 years ago, 15-Jul-99, to lugnet.cad.dev)
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| | | | | | Re: Parts with odd angles —Jeremy H. Sproat
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| | | | (...) This is a troll, right? It's for every piece whose axis of rotation is not located at <0,0,0>. Cheers, - jsproat (25 years ago, 15-Jul-99, to lugnet.cad.dev)
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| | | | | | Re: Parts with odd angles —Steve Bliss
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| | | | (...) c /hinged/rotating/ (...) Not really, just trying to clarify. (...) What's the axis of rotation for a 2x4 brick? (expected answer: "it doesn't have one") Steve (25 years ago, 15-Jul-99, to lugnet.cad.dev)
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| | | | | | Re: Parts with odd angles —Jeremy H. Sproat
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| | | | (...) Gotcha. (...) Sure, but there are several non-hinged pieces that do have an axis of rotation (or pivoting, anyway), the ones coming to mind are: 2904.DAT Technic Motorcycle Pivot 2342.DAT Space Control Panel (needs work) Also, tons of pieces, (...) (25 years ago, 15-Jul-99, to lugnet.cad.dev)
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