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Hi GregoryD49,You are very welcome, I hope you enjoyed it!Greg

Hi Rouverius,Congratulations, great work!Greg

Hi Lorddrake,You are very welcome!I've been using Autodesk Fusion 360 for almost two years, and I'm still learning!Greg

Hi GregoryD49,Congratulations, very nice work!Designs such as these are difficult to print, sand, trim, file, etc., but you've succeeded!Greg

Hi afrancis123,I have no experience with Tinkercad, but yesterday I took the time to look into your question and, unfortunately, I do not believe so.Greg

Hi Penolopy,Thank you very much, I’m glad you enjoyed it!Yes, you may specify the length, width and / or height to be any “reasonable” (see the Instructable introduction regarding limitations of the model) value. I use Cura for slicing, so after specifying the container dimensions and saving both the base and lid to a file, I load both pieces into Cura, “Merge” them, then send the merged model to the printer. When the printer is finished, the container is complete, no need to snap them together. Best wishes and thanks again!Greg

Hi doncrush,Sorry for the delayed response, for some reason my Instructable message service is sporadic.Support isn't required, sometimes I'm just too picky...Greg

Hi doncrush,Thank you very much, I'm glad you enjoyed it!Breakaway or PVA is not necessary, I just have this "thing" about printing an object as clean as possible, and, well, it's not a good thing. :)Thanks again,Greg

Hi doncrush,You're prints do look great! Sometimes I get too picky and use PVA or Breakaway for obtain even the slightest increase in quality, and this is one of the times. I printed six of the eight boxes in the cover photograph without support.Thanks again!Greg

Hi ArnieO,Thank you very much!No, this model is not on Thingiverse. If you need to access it there, I can create a thing for it, but the interest for my models on Thingiverse has dropped so low that I may stop publishing there. Your thoughts?Thanks again!Greg

Hi ChiefInstructor,Thank you very much, I’m glad you enjoyed it!Here is a video link that may be of interest: https://www.youtube.com/watch?v=Oxxju-93Dio.Many thanks again!Greg

Hi audreyobscura,Thank you very much, I'm glad you enjoyed this model. It was my first foray into a 100% parametric model, and I enjoyed the learning experience.Thanks so much again, and you are very welcome!Greg

Hi Dick_Knipple,I'm sorry, but I have no link to the automata that was the inspiration for this model as we were actually in the museum. I did take a video of the automata, but with the family (including kids, grandkids, nieces and nephews) appearing in the video, my wife and I did not feel comfortable publishing it.Greg

Thank you very much, I'm glad you liked it!Greg

My wife would have..., well..., I'll remain silent.:)Greg

Thank you seamster very much, I'm glad you enjoyed it!Also, I didn't realize there was a contest available for this model until you suggested it, so I entered this model in the contest, thanks to you!Many thanks again,Greg

Thanks (I hope, gulp) !:)Greg

Congratulations! Great work on converting the time to 24 hours!Greg

Hi Tor,I believe the parts list is in the .zip file.Thanks!Greg

Hi Build_it_Bob,Great, I'm glad you've verified the correct file before sending it off. I have some "spare parts" remaining from the prototype of this model if you'd like to have them.You are very welcome and Happy New Year to you too! And I'm sorry for the delayed response as I had cataract surgery on both eyes and my vision is still somewhat fuzzy, but improving.Thanks again,Greg

Hi russ_hensel,I know it sounds like a dumb question, but the auger is the auger turning the correct way? If so, then yes you may need to slightly file and/or sand the entry to restore some inward slope.Sorry for the difficulties and the delayed response (had cataract surgery on both eyes and my sight is slowly improving).Greg

Hi Build_it_Bob,I've notice that for some .stl files when "viewed in 3d" on Instructables, the image is not correct and this one appears to be no exception (don't recognize that frame, but it is indeed not showing correctly). To be certain, download the file and load it into Cura to view it.Best wishes,Greg

Hi ianking1945,I'm truly sorry for the delayed response, but I have had eye surgery for severe cataracts, cannot yet see clearly, and am running way behind on my replies. I will try to respond as soon as possible after my sight is restored.Again I am truly sorry.Greg (via llz)

Thank you very much, I'm glad you enjoyed it!Greg

Thank you very much, I'm glad you enjoyed it.The battery is an old Adafruit 3.7li I had laying around. The Feather ESP32 will charge it, but for longer battery backup, I suggest using an external phone backup battery.Thanks again!Greg

Hi Ian,Yes, the change "nTimeZone = -6" (my timezone) to "nTimeZone = 0" (your timezone).Best wishes,Greg

Congratulations Johnkaye, great work and best wishes!Greg

Thanks agis68!Our local "box store" has ping pong balls in soccer ball, football, baseball and other themes. I just stuck with the plain old ping pong ball to make it simple.Thanks again!Greg

Hi weeni,It would be indeed easier, but if you've experienced kids, grandkids, nieces and nephews as have I, hiding the spring in the ping pong ball is a good idea. Trust me on this one, they tend to "investigate" (e.g. disassemble) everything, like their grandpa / uncle (e.g. me). :)Greg

Thank you so very much for your kind words, I truly appreciate them!Greg

Hi zanod,Thanks you very much, I'm glad you enjoyed it.The modification to the existing clock software to perform the chimes you suggest would be very easy as all chime selection is performed in one function, UpdateChimes(). I would recommend 12 unique hour count chimes, and 4 unique quarter hour chimes in order to maintain decay as it sounds much better.Thanks again!Greg

Hi Johnkaye,I'm glad you enjoyed this model. It should easily print on any 3D printer. Best wishes towards your success, and you are welcome!Greg

Great! Our grandkids, nieces, nephews and kids love them!Thanks.Greg

Hi Joe,I purchased mine at a local hardware store (I try to shop local) and it is a quite common spring. They are available quite a few places on line in an assortment such as "Maxcraft 7707" and "Glarks 200pcs Zinc Plated Extension and Compression Industry Spring Assortment Kit". Best wishes,Greg

Thank you very much, I'm truly glad you enjoyed it!Placing the spring inside the ball is like "out of sight, out of mind". Works great with kids and grandkids. :)Greg

Thank you very much!Greg

Hi Fred,First, thank you very much, I'm truly glad you enjoyed it.And second, you probably won't believe it, but just before I published the software, I removed the code that placed the ESP32 in both station and access point mode and the code that provided a setup page where one could set the volume of the clock along with the SSID and password of the wifi router. The reasoning behind this was to simplify the code for someone who just wanted a clock.Guess I'll put it back in... :)Thanks again!Greg

Bob,Thank you so very much for your kind words, I'm truly happy that you enjoyed the clock!And thanks also for being a follower!Greg

Thank you very much jeffreye, I'm happy that you enjoyed it!Now get printing! :)Greg

I can no longer eat mocha cake :(, keeps me up at night!:)Greg

Thank you very much, I'm truly glad you enjoyed it!Greg

Hi Spencer98,I'm sorry for the delayed response as I've been dealing with medical related issues.This model is most certainly an intricate print, sand, polish and assemble model which requires a good 3D printer, 3D printing skills and intricate sanding and polishing. Have you checked the videos I published showing how smooth this model must rotate in order to operate?I am sorry for the delayed response and for the problems you've encountered, hopefully we will get them solved.Greg

:)Greg

Hi nlkirchn!I'm glad you are now up and running!There are many good sites for Arduino style programming. Also, in your Arduino environment, select the "File, Examples" menu and you'll find a number of examples from blinking a led to, if you've installed the wifi libraries, web servers. The Adafruit site has many useful examples, as well as this one, Instructables.The Arduino environment supports both C and C++ programming, so if you're not yet a "programmer". studying these sites may help also.Best wishes!Greg

Hi nlkirchn,Sorry for the difficulties.You can either:1) swap the wires on one coil of the stepper, or2) in the function Step(), change: nPhase = ((nDirection < 0) ? (nPhase - 1) : (nPhase + 1)) & 7;to nPhase = ((nDirection < 0) ? (nPhase + 1) : (nPhase - 1)) & 7;Hope this helps!Greg

Hi ThomasD260,The problems I've that could cause this are friction, crankshaft journal timing, piston located wrong on the piston rod, and the valve plate installed upside down.This model will operate by blowing into it, so check the videos I posted to make sure your model operates as easily and smoothly as those in the videos.Best wishes!Greg

Hi reichert99,Yes, the esp32 accesses an ntp server using wifi to maintain the correct time. If you search for ntp servers, you'll find a variety of ip addresses where ntp time is available.Greg

Hi nlkirchn!Well a very much earned congratulations is in order! This was one of my more complicated designs and for anyone to succeed is a great achievement!At 63, I've some catching up to do, but I hope I can still accomplish efforts such as yours in 13 years.Congratulations again, and many thanks!Greg

You are very welcome.Here's something I published you may find helpful: https://www.instructables.com/id/Stepper-Motor-Tes...Greg

Thank you very much, I'm glad you liked it!This isn't the first time that's happened here, but I did just downloaded "Rear.stl", loaded into Cura 3.5.1 and it appears fine, but I will let Instructables know of the difficulties you are experiencing.Thanks again!Greg

That error is beacause your computer is not detecting the esp32. Check this tutorial: https://learn.adafruit.com/adafruit-huzzah32-esp32-feather/using-with-arduino-ide.Your projects look outstanding! Very nice work and congratulations!Greg

hi nlkirchn,I'm truly sorry about the errors you are experiencing. You, and others, have experienced similar results, most likely on a PC (I use a Mac). When I click on your attachment, I get the following message: "403 ForbiddenRequest forbidden by administrative rules."Therefore I cannot read it.I've heard these help:1) https://robotzero.one/heltec-wifi-kit-32/2) https://techtutorialsx.com/2017/11/03/esp32-arduino-websocket-server/3) https://techtutorialsx.com/2017/11/01/esp32-arduino-websocket-client/Best wishes,Greg

Hi PerterO127,Sorry for the delayed response and the difficulties you've encountered with this model.I use a MacBook Pro and the libraries I downloaded are unmodified from GitHub.h following the guidelines from the various manufactures. I've not experienced the problems you are encountering, so I do not no what to suggest. The libraries I downloaded and installed worked without modifications, but, the esp32 chip has numerous hardware and firmware problems across the development platforms so it's difficult for me to tell you where to begin.Sounds like you are making progress!Greg

You may use either. There is a 1mm PLA gap between the magnet(s) and the pins, so the pins never come in direct contact with the magnet(s). If you use a stronger magnet, use fewer, and if you use weaker magnet, use more. I used three weaker magnets and they worked great, just experiment with the quantity.Greg

Thank you!Hope you get your printer operational soon!Greg

I’ll be anxious to see your results no matter which methods you choose!Thanks!Greg

Thank you very much, I'm glad you enjoyed it!Greg

Hi nlkirchn,I use a Passport Ultra Dynamite balance charger. A balance charger is required since the battery used in this model is a dual cell lion battery.Hope this helps!Greg

Thank you very much, I'm truly glad you liked it!My kids and grandkids run all over the yard and parks flying this and the monoplane version. And to reaffirm the "template" idea, they've broken a few flight surfaces during indoor flight attempts...Thanks again!Greg

Thank you very much, I hope you enjoyed it!According to Cura 3.4.1, the costs of the flying plastic parts of this (biplane) model is $0.92 USD (14 grams of PLA), and for the monoplane model is $0.52 (9 grams of PLA). Also PLA is derived from renewable resources and is recyclable which I enjoy!Thanks again!Greg

This ones even happier!https://www.instructables.com/id/Animated-Illuminated-Happy-Ghost/Greg

Thank you, I'm glad you enjoyed it!Not an original idea of mine, as it's been around for years, but I did enjoy it!Greg

Thanks, glad you enjoyed it!I was truly embarrassed that I overlooked the Sopwith Camel's biplane design, so I had to redeem myself as quickly as possible!:)Greg