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Philo

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Everything posted by Philo

  1. Philo
    Hi Marco, Looks like your LDraw library needs some refresh... I downloaded your models, and I see missing or moved parts: - x913 and x914 have been made official as 913 and 914 in 2013 (LDraw part update 2013-01) - 6558a was deleted in 2006: there is only one version of this part, use 6558. - Unofficial motor parts 32288 / 32289b part origin was changed in 2012. When I look at your model, the motor is move backwards by 2 studs.
  2. Philo
    The best tool is the one you know how to use ;) That's why I try as much as possible to induce people new to LEGO CAD to use a good tool from the beginning! I never liked MLCad usage... I did use it a lot, I created hundreds of LDraw parts with it as for a long time it was the only graphic tool available. But for models I always used editors with a better usability, successively LeoCAD, then SR3D builder, then LDCad. You might have a point here, true, MLCad will run on very outdated hardware. But LDCad doesn't require fancy computer either, I used it successfully on an underpowered, more than 10 years old laptop - and not for a 3 bricks model, it was for the Technic Bucket Wheel Excavator! Granted, it was not extremely fast when the model was almost completed, but MLCad is a real slug for huge models...
  3. Philo
    I really, really don't recommend using outdated, clumsy and illegible MLCad! LDCad is far better. Stud.io looks good too, but I have little experience with it.
  4. Philo
    41181 - Naida's Gondola and the Goblin Thief (Elves) Download MPD (OMR compliant) Known errors: None. Texture image for Naida's hair available here. Done with LDCad 1.6
  5. Philo
    See https://www.bricklink.com/v2/catalog/catalogitem.page?id=70481#T=S&O={}
  6. Philo
    ...very small at that scale ;)
  7. Philo
    31040 - Desert Racers (Creator) Download MPD Download MPD Download MPD Known errors: None Done with LDCad 1.6b2.
  8. Philo
    No, it's very hard to tell... These devices are thermal protections, whose resistance value increases rapidly with temperature. So exact time to trip depends on current, but also initial temperature and on device itself (they have fairly loose tolerances). To get a better idea, look at the trip time curve of the component. For example, this is the datasheet of the resettable fuse in PF devices http://www.bourns.com/docs/Product-Datasheets/mfr.pdf?sfvrsn=24, curve is on page 4. Note that exact model of older battery packs is not known (no marking on the component).
  9. Philo
    Now available! http://www.ldraw.org/cgi-bin/ptdetail.cgi?f=parts/90395.dat
  10. Philo
    The newer links have small tabs that prevent backwards bending. If you want small diameter you have to choose older parts. Unfortunately the transition time between versions is not clear...
  11. Philo
    Do you manage to directly sculpt organic shapes like wigs? Wow! But I agree that 3D scan is far from a panacea since it needs a lot of massaging to get something smooth with a reasonably low poly count. So do I. AFAIK precision/resolution is much too low for the tiny LEGO parts.
  12. Philo
    Could you provide some practical examples (input/output files + command line) so that we can start from this?
  13. Philo
    Interesting, but something must be wrong: I have PF receivers stamped 22K7 and clearly these are NOT from 2017 (might be 2007 instead!)
  14. Philo
    AFAIK, LED blinking is related to firmware revision, not to hardware revision. Quoting release notes of IR protocol 1.1 (current version is 1.2):
  15. Philo
    Unfortunately I don't think so. Or rather... it was changed, but is no longer PF-compatible: https://brickset.com/sets/45303-1/WeDo-2-0-Medium-Motor
  16. Philo
    Well, if it was significantly shorter AND made room for cable...
  17. Philo
    Very cute! Too bad it's a tad longer than a 2x4...
  18. Philo
    Problem is to be sure to get a new one... But I'll have a look at the receiver when I get a new set including it! (and at the battery box too, I got reports that its internal construction has changed). The problem occurs only with the M-motor, not the XL one. Noise suppressing capacitor in the M-motor is far too large, causing high current surges that fools V2 motor driver into believing that it's output is shorted. Generally V2 works fine with only one M-motor, but not with two M-motors on the same output.
  19. Philo
    21035 - Solomon R. Guggenheim Museum (Architecture) Download MPD (OMR compliant) Known errors: None. Done with LDCad 1.6 beta 2
  20. Philo
    41075 - Treetop Hideaway (Elves) Download MPD (OMR compliant) Known errors: None. Texture images available here and here. Done with LDCad 1.6 beta 2
  21. Philo
    30259 - Azari's Magic Fire (Elves) Download MPD (OMR compliant) Known errors: None. Done with LDCad 1.6 beta 2
  22. Philo
    Buwizz uses also the same driver chip, but with two channels for one motor (there are 4 drivers chips in Buwizz, vs. only two in S-Brick or one in IR PFS V2). So it is less prone to the problem with paralleled M-motors. My own tests on one Buwizz show that 2 motors were OK on 3 of the 4 ports, and had issues on the 4th one but only in high speed mode. But the problem shows up again with 3 motors...
  23. Philo
    This is a problem with the M-motor that has a very large noise suppressor capacitor, acting as a short circuit when the motor is started. Power Functions IR-receiver V2 (which uses the same driver chip as the S-Brick) has the same issue. One M-motor is OK, two paralleled M-motors doesn't work at all, or start with a delay. Unfortunately I have no good solution for this issue, except using another motor type (L-motor for example)
  24. Philo
    Thanks for the tip, dellok6!
  25. Philo
    Or something indeed... I installed latest stud.io and 42610 is no longer there... though model is still present in C:\Program Files\Stud.io\ldraw\parts folder :(
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