 | | Re: Acquisto sfortunato su Bricklink
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Ti è andata ancora bene, su eBay una volta ho comprato un set "con scatola originale in buone condizioni". E come l'ha spedita? Ha attaccato le etichette postali direttamente sulla scatola :-O Meno male che a me interessava il set e non la (...) (19 years ago, 11-Apr-07, to lugnet.org.it.itlug)
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| | Re: Another matrix inverse question
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(...) Som further clarification... I was back in the 3x3 matrix world when I wrote this: the true inverse of a rotation + translate in psuedo-4x4 notation is as follow [ R11 R12 R13 x R21 R22 R23 y R31 R32 R33 z 0 0 0 1 ] goes to [ R11 R21 R31 xp (...) (19 years ago, 11-Apr-07, to lugnet.cad)
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| | Re: Another matrix inverse question (and answer?)
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(...) If it's only rotations then it should make sense. Another way of passing the information is as follows (M,x) where M is the matrix and x is the translation vector the inverse of this is (Mi,-Mi x) which you can see by showing that an operation (...) (19 years ago, 11-Apr-07, to lugnet.cad)
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| | 3 legs and 7 years
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Hi folks, it's 7 years now that BrickCommander (formerly aka LEGO MechCommander) is up and running, and as you probably know I always strive to mastermind something special for my website's anniversaries. Coming up with an idea for this year's (...) (19 years ago, 11-Apr-07, to lugnet.build.mecha)
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| | Re: Automated shunter/switcher
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(...) I finally managed to create something that seems to be working, while still not standing in way of the original design (except for the lowest part at the rear, but I can live with that. (6 URLs) Magnets are coupled sideways, giving it enough (...) (19 years ago, 11-Apr-07, to lugnet.trains, FTX)
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| | Acquisto sfortunato su Bricklink
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Ciao volevo segnalarvi un mio acquisto sfortunato, affinchè non possa capitare anche a voi. Ho acquistato a caro prezzo 3 10039 da Planet Lego di W-largo alias Petit Stephane. Lui mi ha avvolto le scatole in un foglio e me le ha spedite. Come ovvio (...) (19 years ago, 11-Apr-07, to lugnet.org.it.itlug)
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| | Re: Its starting to happen...
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What was the purpose of the LEGO colour change? Well, I think the whole thing was not initiated by TLC. I remember that not only LEGO parts changed their colours - there were some grey shade changes overall: some medicine packaging tubes, ceiling (...) (19 years ago, 11-Apr-07, to lugnet.color, FTX)
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| | Re: Set 7029
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(...) Sono d'accordo!!! Accetto i nuovi colori, ma non accetto le differenze cromatiche sullo stesso colore! Posso capirlo se il set è per un bambino che lo monta, ci gioca e basta! (ma allora i prezzi devono scendere) Ma per noi appassionati non è (...) (19 years ago, 11-Apr-07, to lugnet.org.it.itlug)
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| | Re: Belarus 320B Aiport tractor
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(...) snip (...) What a neat little tractor! I especially like the exhaust pipe and the bumper - very creative uses of those parts. I really enjoy seeing so much detail in such a small MOC. Great work! Roy (19 years ago, 11-Apr-07, to lugnet.town, FTX)
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| | Re: Options for missing NXT Edu (9797) parts
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(...) That's sad, but at least it sounds like you're missing the inexpensive regular parts, and not any of the costly sensors, motors, wires, or (heaven forfend) the NXT brick itself. (...) Now, with the NXT set, the "white" parts are not white, (...) (19 years ago, 11-Apr-07, to lugnet.robotics.nxt)
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| | Re: Another New NXT Utility
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(...) This evening I uploaded a zip containing two versions of the utility. The newer version uses a bitmap of the NXT and the screen image is not scalable but otherwise it functions identically to the second version I posted. For classroom purposes (...) (19 years ago, 11-Apr-07, to lugnet.robotics.nxt)
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| | ItLUG e Video Podcasting...
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Ciao a tutti, Avendo dato un'occhiata alla piattaforma che Joe Meno sta tirando su per il BrickJournal, mi ha attirato l'idea delle videorecensioni: perché non lo adottiamo anche noi sul sito? Così diventiamo un po' 2.0 pure noi... Io potrei già (...) (19 years ago, 11-Apr-07, to lugnet.org.it.itlug)
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| | Re: 10183 Hobby Train instuctions
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(...) Ah, he has posted that they were just for the first model, as Ross has said :( I assume he got an early copy before the instructions were printed. (although perhaps I should stop making assumptions!) Sorry to disapoint everybody. Tim (19 years ago, 11-Apr-07, to lugnet.trains)
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| | Re: Educational Experience no longer selling LEGO
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I noticed this several weeks ago when I went to point someone in Sydney in their direction. Listed on the lego.com website instead is this crowd: Modern Teaching Aids Pty Ltd Level 1 122-126 Old Pittwater Road Brookvale NSW 2100 Australia Tel.: +61 (...) (19 years ago, 11-Apr-07, to lugnet.loc.au)
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| | Educational Experience no longer selling LEGO
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I learned today (from Bernard Catt) that as from January this year, Educational Experience is no longer be selling LEGO educational products. So the only source in Australia is now Moore Educational, except for the occasional foray by Tricky Dicky. (...) (19 years ago, 11-Apr-07, to lugnet.loc.au)
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| | Options for missing NXT Edu (9797) parts
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As usual, sets don't last a school term before some parts go missing. I can't find Technic Beam 13 (aka Liftarm 1 x 13 thick) in Md-stone color from either peeron or bricklink. Although, Briclink has some in pearl. So what are my other options to (...) (19 years ago, 11-Apr-07, to lugnet.robotics.nxt)
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| | Re: Its starting to happen...
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(...) Nah, there are some truly old in-store displays out there (I remember seeing images of a Classic Space version that someone had managed to obtain). The more recent wave, I believe, goes back to the debut of either Star Wars or Harry Potter, (...) (19 years ago, 11-Apr-07, to lugnet.color, FTX)
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| | Re: Another New NXT Utility
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(...) Excellent! Starting tomorrow, it's going up on several LCD Projectors in classrooms throughout Portland Oregon. (19 years ago, 11-Apr-07, to lugnet.robotics.nxt)
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| | Misspelling Bricklink leads to Bricklin
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Sometime neat things just happen. I was trying to type in BrickLink.com and left off the k and ended up at bricklin.com--the home of the creator of visi-calc--the first spreadsheet and the first killer app. The program that forever changed how (...) (19 years ago, 11-Apr-07, to lugnet.inst)
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| | Re: Another matrix inverse question [DAT]
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(...) You might want to check your row/column order for the converted code from LDView. At least conceptually, I always invision transformation matrices like so: A B C X D E F Y G H I Z 0 0 0 1 Notice that the translation info is in the last column, (...) (19 years ago, 11-Apr-07, to lugnet.cad)
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