 | | Re: rotation matrices —Steve Bliss
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| | | (...) I'm pretty sure that should be: A D G 0 B E H 0 C F I 0 X Y Z 1 So multiplying (used fixed-pitch font for proper viewing): (x y z 1) (A D G 0) (B E H 0) (C F I 0) (X Y Z 1) gives (Ax + By + Cx + X Dx + Ey + Cz + Y Gx + Hy + Iz + Z 1) (...) (...) (24 years ago, 18-Oct-00, to lugnet.cad.dat.parts)
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| | | | | Re: rotation matrices —Koen Jordens
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| | | | (...) Are you really sure? cause I looked at this file from Fredrik Glockner as an example about the studs to ad in the beginning and end of my curve and it says: 1 16 -90 40 0 0 5 0 -1 0 0 0 0 1 STUD3A.DAT 1 16 20 0 -90 0 0 1 1 0 0 0 5 0 (...) (24 years ago, 19-Oct-00, to lugnet.cad.dat.parts)
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| | | | | | Re: rotation matrices —Fredrik Glöckner
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| | | | (...) No, the STUD3A has the correct diameter, 8LDU. The problem is the inside of the cross axle holes on the angle connectors. You'll note that a real life LEGO cross axle hole has a rounded internal cross section, which means that you can stick a (...) (24 years ago, 20-Oct-00, to lugnet.cad.dat.parts)
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