FreeCAD For Beginners #7 Spreadsheet Driven Fully Parametric Table
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- เผยแพร่เมื่อ 2 ส.ค. 2024
- A fully parametric table created for beginners to practice using a spreadsheet to drive parametric constraints. Includes the use of a multi-transform feature to create mirrors. This will help the absolute beginner leverage the power of FreeCAD.
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Songs:
Raw Space by Spazz Cardigan (intro)
00:00 Introduction
00:50 Thanks to Patrons
01:30 Part Design
07:28 Setting up the spreadsheet
12:40 Applying the parametric dimension
19:00 The second sketch
24:35 Udating the spreadsheet
29:43 Offsetting sketches
32:00 Creating a multi-transform
34:50 Working with parametric clearance
48:50 Offsetting the second sketch
52:30 Outro - แนวปฏิบัติและการใช้ชีวิต
![[ไฮไลต์] แบดมินตันชาย SHI Yu Qi (จีน) vs วิว กุลวุฒิ (ไทย) รอบ 8 คน | โอลิมปิก 2024](http://i.ytimg.com/vi/f7z7taforOM/mqdefault.jpg)
I tried Fusion360 and never found a tutorial series that I liked. Went with FreeCAD because of this video series and couldn't be happier! Plus it is open source to boot. You are a wonderful teacher.
Excellent, I used Fusion but switched when autodesk changed the licensing
@@Adventuresincreation What I'm really looking for is something free for woodworking. I don't really need the 3D modeling, just something that I can turn out plans quick and easy for personal use so 2D would be fine most of the time. Parametric design is nice as well but I almost always build one-offs. I think I'm going to settle in on LibreCAD. The one shortcoming with LibreCAD is I cannot export to a cutlist optimizer but it is significantly faster for the type of drawings I want to do. Anyway I have completed 17 of your lessons and plan on finishing the entire thing. My opinion may change yet. Thanks again!
You are a great teacher. Thank you very much.
Thanks, glad it's helpful
IMO Another excellent tutorial.
It took me 3 x sittings to complete this one - but it was well worthwhile.
I click along, but make mistakes and have to go back, rewatch and listen.
But it is almost becoming 2nd nature and your introduction to Macros was good too!
(Including the one for auto creating a new project! 👍 )
Glad you watched the "start up macro" one, I normally start all my projects with that but a lot of people complained when I did it in a video so I do it manually there.
Best Tutorials on FreeCad. Thank you so much
Glad you think so!
i have watched the first 7 videos in the series and i have learned quite a bit...Thanks for doing this...BTW you sound just like Jim Jefferies...lol...i keep chuckling to myself...
Lol... I am glad they are helping.
Dude, I love the way you say "Spreadsheet."
Lol 😁
These videos are more useful than you know! How you don’t have more subs and likes is beyond me! Thanks again.
I appreciate that!
I agree , I've been watching many different FreeCAD tutorials and even did a paid course, but nothing comes close the free content you`ve put on here. Many thanks🙏
I am learning FreeCAD through online tutorials and seen >100 tutorials to start with and can say this is the real best tutorial for beginners. Thanks for giving such a nice information, so simply and accurately. Please keep it up and give more tutorials for beginners like me, we are obelized.
Thanks for the feedback. There are 45 videos in that series so far and I plan to add to that.
Thank you for the great tutorial, I just recently started teaching myself FreeCad and these tutorials that I have been watching are a great help. They are very informative and the drawings that I try doing are becoming easier to do. Keep up the great work, I look forward to watching the next one in line!
Thanks for the feedback Mark
I really appreciate how you show exactly what you are doing with your cursor. Too many otherwise excellent tutorials are plagued with operations that are incomprehensible to newbies because they happen so quickly that they cannot be followed in their entirety Kudos!.
You're very welcome! I am glad it's helpful. - I spent quite a bit of time getting the cursor to show up the way it was legible to many users.
Absolutely brilliant! 👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻💯
Thanks!
You made a table for a table, i see what you did there. This helps me a lot though, since there is nothing good available for making roofs in floor plan apps, i'll just use this method instead.
Ha! Glad you caught that 😉
Simply fantastic. thank you so much. great teaching. I really enjoyed this video. I liked the zooming in and pointer plus the intensity of the blacks
You are very welcome.
I have watched several tutorials by different creators. The concepts become clearer by repetition. My initial memory aid will be 'PBS = part, body, sketch'.
This is a good rule of thumb. You can create bodies without parts but, if you use PBS you will be thankful when you come to create assemblies etc.
Thank you for making this so easy and actually doable for somebody very lost in the woods. :)
You are welcome 😎
I like your videos , because you speak slowly so i can understand what you say. You are the best. Thanks a lot from GR.
You are welcome 😉
That was a worthwhile lesson. Thank you.
Thanks for the feedback Steve.
Just want to say thank you for your videos. Working my way through them and learning a massive amount.
You are welcome 😉
Thanks - The best visible pointer in the Galaxy.
You are welcome!
Great walkthrough! I have been struggling with this, so it's wonderful to have a guided tour. Thank you!
You are very welcome 👍
Great tutorial. Loved learning about the spreadsheet functions.
Excellent, the spreadsheet is very powerful.
Like the new format of presentation for the cursor and especially the zoom portions. It really cements things in my mind.
Thanks for the comment, I am glad it helps.
Thanks for the great tutorial!!!
You are welcome
Thanks! This is absolutely great, it helps me so much for keeping track of my parameters
Excellent, thanks for the feedback
Tile windows, awesome
Thanks
Thanks again for another great tutorial, I'm refreshing my FreeCAD knowledge & learn learning great workflow from you. I'm looking forward to working through all your tutorials.
You are very welcome
Yes just a other great video voor beginner's. Locking forward to the next one. Hoop you explain how/ when to use new part, object and sketch. Keep up the good work.
The next one will show how to use boolean modeling.
Excellent presentation, very comprehensive and clear, certainly appreciate very much your effort in producing such great teaching material. Learning a lot.
Thanks for the feedback
This is great, thanks! Very clear
You are welcome 😉
Thanks. Beginner learner here.
Excellent, you will soon be up to speed
Thanks for your tutorials. Nice to see you getting better in creating the videos with every episode.
Thanks for the feedback
I'm just getting into FreeCAD for real. I use Inventor and Solidworks and your tutorial really helped. Thank you!!
That's great to hear
For a newbie you are the best tutorial maker!!
Thanks for the feedback 😉
I'm glad I found your channel, just started fumbling my way through FreeCAD so I can make my own parts on my recently purchased 3D printer and eventually a CNC router, purchasing at a later date.
Thank you for explaining how to make the models parametric.
Have fun with 3D printing. It still amazes me how I can think of something and an hour later have the item in my hand.
@@Adventuresincreation I have to agree with this person, I'm an old disabled carpenter and have tried several cad systems. They all have been way beyond my computer skills, with your help I think I can use spreadsheets to design what I used to be able to build.
@@dannyelmac Thanks!
awesome!
Great!
This is great and relatively easy to follow. So long as I press the right buttons and input's but that's the beauty of TH-cam (You can rewind over and over until the grey sells absorb what is needed). You've answered a lot of my beginner questions that made me want to delete FC from my computer.
Glad you are sticking with it. Lots of power for free!
this is really nice.. i have been doing a fusion-360 coarse, with 360s limited use with much needed online, i went back to freecad and these great videos. thanks a lot...😉
You are welcome!
I was using an old autocad 2007 until it crashed. Tried Fusion 360 but the free version very limiting. Came across your Freecad tutorials and I'm finding them pretty easy to follow, then again I'm only on the beginners #7. Keep up the good work.
Excellent, the latest version of FreeCAD has some great additions.
Thank you!!!
You are welcome
Thanks for this. I use Siemens NX at my day job and rely heavily on expressions when generating models. I think your tutorial has convinced me that FreeCAD is worth another look for doing parametric modeling at home.
I think you will enjoy using the power of expressions with freecad.
Very informative video.
Glad it was helpful!
Have watched many tutorials on parametric modelling but yours is well paced, very informative and the zooming helps greatly. Slightly lost it whilst doing the recess but will watch again and am sure it will become clearer. Looking forward to viewing your other tutorials, particularly for assemblies. Am a Fusion360 user at present but think FreeCad may be the way forward..
Glad you like freecad. I too was a fusion 360 user
Thank you
You are welcome 😉
The formula editor button is an fx equation sign FYI heard it in dr.vax video
It is? Well that makes sense but it's not very clear. Thanks for the comment though.
Thank you for making the videos.
Fantastic, using the spreadsheet will save me lots of work when adjusting designs. When padding the leg, click on the 'reversed' checkbox and the leg will extend downwards, that way your table won't be upside down
Glad you liked it
Thanks for that, I followed along, and I've got the principles fixed in my mind now (for how long, I'm not sure!). I found a useful thing to do in the parameter spreadsheet was to use a different text style for my calculated values. I chose underline, (right-click, Properties, Style, Underline) which stands out quite well, and stops me from making circular references while tweaking the table design!
Good idea 💡
great video. Wish to have it seen earlier ;-)
Hope you can look through the others now.
I haven't managed to get double mirroring at 33:20 in FreeCad 0.21. I had to draw 2 legs in the sketch and than mirror them once. P.S. Got it. If you want to mirror more than once in FreeCad 0.21 you need to use multitransform pattern.
Yes, the multi transform is a powerful tool.
If you draw the leg and cutout sketches from the bottom view of the table top rather than the top, it puts the sketch datum on the bottom of the table and you don't have to mess about moving the datum.
Good observation
It's is a great lecture. Can you also do the parametric simulation analysis
Thanks! - That is a good question, I am sure you can do simulation analysis on a parametrized model but it depends what kind of analysis you want to do.
I thoroughly enjoy and appreciate your tutorial videos, I appreciate the enlarged cursor and icons, they make my 74-year-old eyes happier.
BTW, how did you increase the size of the icons?
The icon size is a setting in freecad, you can do the same.
@@Adventuresincreation Thank you very much, you would not believe how many times my eyes passed right over that option. The enlarged (32 pixels) icons coupled with changing the color of constraints have enabled a much more enjoyable experience for me personally.
Thank you again for everything you do, and please "keep 'em coming"!
@@rodneysmith1750 I am glad to hear that it's helping you. Next weeks beginner video will be boolean operations. You will have a blast with that one.
Thanks a lot for this video tutorial. i tried to follow along your explanation. mostly it was ok and worked. but when i make the multi transform it gives me a error. it says: one transformed shape does not intersect support. well... i dont eaven know what this means. but its not possible to make. i am drawing this table for like 4houres now. and its not the only difficoulty i found.
the video is great. cursor and so on is good. thank you for your effort
Hi Dirk, that error usually means that one of your transformed pieces does not line up with the rest of the model and would create a second model, that is not allowed in FreeCAD at this time. So, you need to look at how much you are moving the transform and make sure that it lines up with the rest of the model, I hope that makes sense.
Absolutely Brilliant series. Just started and learning a bunch. At the 29:00 minute mark, you mention the table leg top being on the table top plane. It shows on your view. My view just shows solid. How do you set up to get the view at the 29:00 mark? Really enjoying your teaching style.
Thanks for the feedback. Are you talking about clicking through the model tree or the offset sketch?
@@Adventuresincreation The offset sketch. Miy view shows solid, while your view shows the outline of the leg up through the table. With my view I would not know to offset the top of the table leg to the bottom of the table. Maybe it is a tree issue. I'm still fuzzy on the flow of that one, as I also had issues towards the end to get the 2 planes to show up in sketcher to pocket the bottom of the table. Thanks in advance.
@@mboulton372 the offset is not so much to make it look solid but to ensure the leg is the right length. If you have lines showing up in the model you can select refine in the data panel to hide them.
How do you save and open the spreadsheet? Also is there an easier aliasing that does not require you to type "Spreadsheet."? Is there a way to open the spreadsheet and import it into another csv to do further analysis?
It saves and opens with the freecad file. You can copy paste the content to an external spreadsheet application. I suggest you take a look at dynamic data too.
I was able to get to the macro but once ive selected everything I get a class syntax error.
Ive reload the macro still nothing will get me to the point you are at 11 minutes in.
Any ideas?
A video of your preferred tools and macros would be sweet. Thank you for doing these videos.
I think there is a problem with the macro at the moment, it's on my list to look at it. 🤔
I like your presentation so much. Big question: as a background I am an Architect. Why the table is up side down?
I do understand your workflow. I wonder if make sense, at the end, to flip it in the right positions. But than I know it is going to make a mess with "datum plan"... can you please explain this?
Still.... one of the best tutorial ever seen.
Thanks again
Honestly, I could have flipped the table but because of the way I made it, I constructed it laying on the table top.
Makes sense to me, as a person without an architectural background, because in my mind I'm building a table. I'd make the top and attach the legs to it. Trying to stand 4 legs up and balance and attach a top would be a bit trickier.
What's the difference between Spreadsheet and in the formula editor?
You can use either one
is it possible to calculate the number of whole blocks, taking into account the cutting of all non-integer ones? in this particular example, all cuts are 0.5 blocks each. and sometimes 0.2 or 0.7 .. how to automatically calculate, given that from 0.2, 0.3 and 0.7 they give a whole block of 0.7 + 0.3, and 0.2 * 5 gives a whole.. how to optimize and reduce clipping?
it would also be useful and visual when calculating the molding or when calculating the number of finishing sheets ..
I think there is a cut sheet optimizer available somewhere, I haven't used it but I vaguely remember seeing it.
I'm confused about the hierarchy (File, Part, Body) and where I should attach sketches to. A discussion would be helpful.
A file can have a number of parts. Parts are made up of bodies. Bodies are made with various sketches. A file is really an assembly of parts ?
I think your understanding of the hierarchy is pretty good.
I have noticed you start your spreadsheets on row 2. Is that a preference or is that a bug workaround. I did one of your other parametric tutorials and two cells could not be resolved. I also learned whe running the EasyAlias, you selected the spreadsheet in the tree first…I did not do that. Makes perfectly good sense.
I usually leave row one for headings in spreadsheets, just a habit
Why do you move Dimensions with mouse in constraints like it is nothing? I tried everything I right clicked them to check whether they are locked maybe there is some other layer that I have to switch to. Nothing, they won't budge, whatever they were created at random you will have to zoom in and zoom out without to look at the number or to make this number not overshadow something important
You should be able to just click on the number and move it. They change color when you hover over them.
At about 13 minutes instead of clicking the ball, press the = key and that will take you to the formula editor.
Thanks for the tip.
Does this work on a mac
Yes it does
what can i do if easyalias is not on my addon manager to download?
You can get it from github
@@Adventuresincreation Thanks but I made like old school
just used the cell coordinates 😉
This instruction is great, but I'm stuck right at the beginning. I make the rectangle, but around 4:24, your rectangle corners have a large circle, mine are small. For me, even if I zoom in and get real precise with the mouse, I can't click the corner - only a side. I also can't select the intersection of the x & y axis. I can select "Constraint 2" and "Constraint 4" in the list on the left, but unable to select the center-point. Is there an early setting/option to make those points larger and selectable?
I don't think so John. Can you share your file with me?
@@Adventuresincreation Thank you. I figured it out this morning. I went into Preferences -> Sketcher, then unchecked "Auto Constraints" and "Avoid redundant auto constraints". After that, I did a new sketch/rectangle and was able to select the corners just like you did. I'm on Mac and and 0.19-24366.
@@yourtechjohn glad you got it sorted out
I notice that you have changed your sketch dimension color scheme from the defaults to make them more visible. I would like to keep mine the same to make it easier to follow. Is it possible to let us know exactly what changes you made ?
I will show my settings in the next video
I looked at the next video ( #8 ) to find your settings for colors, etc, but no mention of them. Where are they, please ?
Hello, in this video you will discuss the use of e.g. the Easyalias Macro and adding Macros using the addons manager. Unfortunately, in the addons manager I can't see any Macros that I can add. The error message is "Appears to be an issue connecting to the wiki, therfor cannot retrieve wiki macro list this time. Can you help?
I have seen that before Harry, usually an Uninstall and reinstall fixes it.
@@Adventuresincreation I had the same issue and found security protocols were stopping the search for wiki.
@@colinjones8760 good to know, how did you fix it?
Ian. My etesight is not as good as it used to be and I admire very much your red mouse pointer. However, I just can't seem to work out how to change the mouse color. If I do a search, I get several results saying to 'go to Part Design workbench' and do it from there. Still totally lost as I can't see where to do this. Perhaps you could do a short Patren video showing in detail how to achieve this. Noel
Hi Noel, the mouse color is a windows setting. Just go into your mouse settings in the window "settings"
@@Adventuresincreation Thanks Ian :)
@@Adventuresincreation Thanks Ian, too easy. Certainly helps. :)
I try to use it ,8 recive a loot of errors . I instaled the software on new pc , when i try to load alias macro , i have errors , and nothing happens .
Some people have had issues with python not being installed, usually an Uninstaller and re-install fixes it.
I don't know if you can help, I have been following you videos (they are awesome), but in the video you load EasyAlias macro. I follow the steps but no Macros load, I get the error: "GitPython is not installed. Cannot retrieve macros from git. Appears to be an issue connecting to the Wiki, therefore cannot retrieve macro list at this time" . I am running version 0.19 24291. Do you install something not shown in the video?
If you reinstall freecad it should install everything you need.
@@Adventuresincreation I uninstalled (removed user prefs), redownloaded and installed, and still the same error, downloaded 19.1, 19.1 portable, Tried a different laptop with portable version, tried .20 dev...all the same error. I don't know what the problem is...maybe my laptop. Tried my wife's desktop with 19.1 it works! I have no clue. You have any suggestion?
It's weird that the reinstall is not repairing it, everything you need should get installed with freecad if you are installing the latest release. You could try looking for the missing files 📂 just to confirm they are there. If they are it may be something to do with your path variables.
you need to pay attention one day you're going to need this (Teacher) right I thought dam little did I know 67 years later it was going to come back and bight me...lol..
I am glad you are having fun with it Ian
hello, I do not have easy Allias in my free cad, although it is the same version. thanks
You may need to download it. Just Google it
@@Adventuresincreation I could not find anything about this stuff in google. do you have any website or method to follow, please?
@@muthanaalrawi4140 take a look here forum.freecadweb.org/viewtopic.php?t=30404
Can you import excel spreadsheets?
You can import a CSV file, so if you save the excel spreadsheet as a CSV format file then you should be able to import it into freecad.
@@Adventuresincreation Thanks for the reply.🙂
In many programs "anything is possible" so I hesitate to ask. Suppose I have a Parametric part. Is it feasible to (read 'easy') to print dimensioned/radiused element(s) based on a 3D part or parts?
If yes, is the topic covered in this series?
Thanks for this series.
ADDENDUM: Print to a printer. Not 3D Print.
I am not sure I understand what you are trying to do
@@Adventuresincreation In 2D Orthographic drawing, and board based drafting of days past, parts are dimensioned so a recipient can fabricate the part(s). In that line of thinking, if I design the 3D table (from your exercise example) to have it manually fabricated, is there a way to print on paper a 3D representation with dimensions *of the individual* Bodies with a Part for example?
Thank you.
@@RoadsterLoverMedia yes, you can definitely do that. There is a whole techdraw workbench for producing drawings and you can create views of the model in any view.
Hi ,when I hit the pocket icon the pocket line disappears and I can not pocket anything. I have tried it on other drawings and it doesn't work on them either. Any ideas? Thank you for your help.
Make sure the pocketing sketch is selected before you hit the pocket button. Also make sure your body is the active body.
I follow all the instruction's in the tutorial and I have an active body and it just disappears.
@@calvinmconie4048 Click on the body in the model tree and hit the space bar that will toggle it's visibility
@@Adventuresincreation Sorry, by that I mean the outline of the pocket disappears and you have nothing to pocket.
Invalid Syntax error on Macro "Easy Alias". Installed the macro today. Rebooted FreeCAD. Filename was clicked on, then spreadsheet cells were clicked upon before running MACROS > RECENT MACROS > Easy Alias. I highlighted the names first, then clicked on the Spreadsheet name as well as in the opposite order. No success using any method. I did the connections manually for the exercise and they worked as expected. Release 21/04/15 Revision 24291.
Any clarification of the process greatly appreciated. Thanks.
Take a look at this video th-cam.com/video/6hBMjx5i2NA/w-d-xo.html
@@Adventuresincreation Issue resolved. Thank you.
11:05 with macro i get an error " GitPython not installed! Cannot retrieve macros from git" so how do I do this? Do I need python on my windows10 laptop? Thanks
Yes, you need python but it should have been installed with freecad. How did you install it?
I followed your beginners #1 or #2 for freecad and for windows 64bit?
@@garyweliver1870 If you just downloaded and installed it, you should have python on the system.
Yes in macro the easy alias addon never loaded. And this is a known bug. I just entered them and set alias manually. Main thing is a completed Lesson#7 and see the power of parametric modeling, Thanks so much!
@@garyweliver1870 the easy alias is somehow becoming corrupt but you can go to the wiki page and download the macro and it will work
Your stuff is awesome, but this freaking table one I can't finish. When I get to the two leg mirroring I don't see or find anything to right click on. I can't add the second feature. Great channel.
I wonder if you need to select the mirror plane?
@@Adventuresincreation I been clicking on everything, done it several times and no go. So I have a two legged table. I’ll comeback to it later.
@@ReyciclismoMTB I can't even get that far. I Only have 1 leg on my table as the mirrored leg is always red and i get the error message "one transformed shape does not intersect support". can anyone help with that please?
why not use length width and height ... then your table length and width and leg width and length are named as the table top and the pad then become the height ... so does the leg and ALL of them match with what they are
You can do it however works best for you.
There are no macros in my list. I get an error. I can see workbenches, but under Macros there is nothing.
What error are you getting?
@@Adventuresincreation I am getting two error lines.
First one: "GitPython not installed! Cannot retrieve macros from git"
Second: "appears to be an issue connecting to the wiki, therefore cannot retrieve wiki macro list at this time."
@@chris_topher1984 that's odd, did you use the standard install? It should do all that for you.
@@Adventuresincreation yes standard install of the .exe file, not a zip. I made other comments on this video that were removed just now.
@@chris_topher1984 not sure how they could be removed. It certainly wasn't me. TH-cam auto removes stuff if it deems it inappropriate but I am sure your comments weren't inappropriate
for all german users is isnt working with ÄÖÜ or ß only aksii
I am not sure if there is a German version
This must be a CAD mindset, where "width" is not the left-to-right measurement. Nowhere else is "width" anything but the X axis. And other parts of FreeCAD do this too.
As long as you keep track of it, you can call it whatever you like.
Sorry, but problem not yet solved. Freecad reinstalled but still the problem. Notification as follows:
10:31:27 GitPython not installed! Macros cannot be retrieved from git
10:31:27 Appears to be an issue connecting to the Wiki, therefore cannot retrieve Wiki macro list at this time
Take a look at this forum.freecadweb.org/viewtopic.php?t=45592 forum page where they discuss possible issues.
What if you wanted to add a sketch to an existing face? My object (part? this terminology is god awful) is not symmetrical and it makes no sense to dimension (constrain) my equivalent of your table legs off the arbitrary origin and I want to sketch it off an existing face and constrain its dimensions using the existing edges of that face. This seems literally impossible to do in freecad
Using faces is a problem at the moment as those face references can change with subsequent edits. See the topological naming issue. Your offsets shouldn't be arbitrary as you are designing the object with dimensions you choose.
So you used a Table table?
Lol 😁
Couldn't get the macro EasyAlias to execute and had to learn how to manually 'alias' the spreadsheet cells. What a disappointment. Great tutorials though.
Did you see the post I made about it?
@@Adventuresincreation Where? I'm not on 'social media'. I did find some info but I'm not going to change anything in Python. Hopefully, FC will fix the bugs unless you know of one?
Macro. I was having some issues too. I looked at my Macro in the macro editor in FreeCAD and realized that it had somehow been corrupted. I went to this wiki page wiki.freecadweb.org/Macro_Eas... and copied the macro from there. I replaced my macro with that and it now works as it should. I hope this helps some of you.
It's on my channel community posts
@@Adventuresincreation Thank you very much, I had checked your channel before but didn't click the 'community' tab! Your reply is much appreciated.
That thing would be 3 clicks in part workbench.
LOL, you must be an expert. - Remember this a demonstration of spreadsheet driven parametric design for beginners. It's not intended to be a complicated design. - You will enjoy next weeks video it's a boolean demo for beginners.