You make it look so easy. It took me a week to finally make a functional bolt in FreeCad. Thanks for making these videos, or I probably would of given up on FreeCad. But now that I'm starting to get some of the basics down it's accelerating my interest in learning more about FreeCad.
So glad that these are helping. Getting over that initial first couple of models is the hardest. Once you get the momentum going and start using and understand how to apply the operations it gets a lot easier.
I think it's better to do datum plate in this way: 1. create sketch on side of object 2. select arc as external geometry (sketcher external) 3. make line from middle of arc to some point at arc 3a. make constrain angle 4. make some line and 4a. make it constrain with end of the line from step 3 4b. make it constrain perpendicular to the end point of line from step 3 5. end sketch and unselect all 6. make datum plane and as reference select" 6a. points at end of line from step 4 6b. point at begining of line from step 3 (middle of the arc) 7. select "normal to 3 points" Now by changing angle of line from step 3 You can directly change position of datum plate at the arc plane
Thanks for adding your workflow, always greatful to see others join in and include their knowledge. Datum planes are great because you get something physical to sketch upon and you can see it there. They do add a bit of extra processing power though.
Which method to use may be decided by engineering specs. Getting Freecad to generate specific dimensions can be challenging. A full explanation of construction line techniques including the ability to toggle construction lines into functional lines. Cudo's to the development team for the improved line length & angle display.
Firstly - THANK YOU! Is there any way/trick to use "create external geometry" when working with/on datum planes? Imagine the centre of the circle you've created at 11:48 needs to be exactly XX mm from the outer edge.
One problem is how to attach a sketch tangent to a curved surface. The Tangent Plane Map Mode requires a vertex at the attach point. The best way I've found to do this parametrically is to use the Curves Workbench Segment Surface Tool. This provides a vertex (vertices) to attach to that can be moved around with the KnotsU and KnotsV parameters.
At15:20 you change the Attachement Offset in x-direction, but (that's my view of things), the circle moves in y-direction. I noticed this quite often, especially when repositoning sketches, the direction of movement or axis of rotation has nothing to do with the orientation of the global axis. Can we somehow visualize the local axis, in case that might have a orientation different from the global axis, or is there a general definition or explanation how to find the actual oritation of the sketch we want to move? Thanks.
Thank you very much Darren, however I feel it is tsill notvery intuitive. Why is it not possible to use 3 vertices. There order determines everytihing. I have been trying to use 3points etc. but still have the problem that the normal is not in the direction I expect it to be. For instance O-X-Y, in that order (assuming positive for X and Y) should result in a sketch plane one expects.
Thank you! But I only managed to attach the sketch once. Next time I try undo it ~ there sometimes a mistake message. Sometimes not. And it does not pad. "Points are collineas"
You make it look so easy. It took me a week to finally make a functional bolt in FreeCad. Thanks for making these videos, or I probably would of given up on FreeCad. But now that I'm starting to get some of the basics down it's accelerating my interest in learning more about FreeCad.
So glad that these are helping. Getting over that initial first couple of models is the hardest. Once you get the momentum going and start using and understand how to apply the operations it gets a lot easier.
Phew! what a nice explanatory video, I love the way you show all different techniques and why each matters. Incredible work. Thank you so much
Thank you so much for taking the time to feedback, appreciate that. :)
That take away !, use a line to fasten a sketch on is super trick stuff ! TY 💋
Like to drop these little tips in here and there as I go :) Hope you find it helpful :)
Thanks Darren, greetings from PT!
My pleasure 😊
Great video. This is specially useful while designing tanks and placing nozzles on the circumference.
Glad it was helpful and thank you for adding what your using it for. Great to link this to real world usage.
Excellent as always . Thank you for teaching .
Great to hear, thank you 😊👍
it saves my day. Thank you!
You're welcome 😊😊😊
I like your content, Thanks you for sharing
Thank you 😊😊
Thank you !
I think it's better to do datum plate in this way:
1. create sketch on side of object
2. select arc as external geometry (sketcher external)
3. make line from middle of arc to some point at arc
3a. make constrain angle
4. make some line and
4a. make it constrain with end of the line from step 3
4b. make it constrain perpendicular to the end point of line from step 3
5. end sketch and unselect all
6. make datum plane and as reference select"
6a. points at end of line from step 4
6b. point at begining of line from step 3 (middle of the arc)
7. select "normal to 3 points"
Now by changing angle of line from step 3 You can directly change position of datum plate at the arc plane
Thanks for adding your workflow, always greatful to see others join in and include their knowledge. Datum planes are great because you get something physical to sketch upon and you can see it there. They do add a bit of extra processing power though.
Which method to use may be decided by engineering specs. Getting Freecad to generate specific dimensions can be challenging. A full explanation of construction line techniques including the ability to toggle construction lines into functional lines. Cudo's to the development team for the improved line length & angle display.
I was so hoping you could create a curved sketch, ran into that problem a couple days ago.
Another option is the curves workbench, sketch on surface and the project on the part workbench. I will be covering some of those shortly for v1
Firstly - THANK YOU! Is there any way/trick to use "create external geometry" when working with/on datum planes? Imagine the centre of the circle you've created at 11:48 needs to be exactly XX mm from the outer edge.
One problem is how to attach a sketch tangent to a curved surface. The Tangent Plane Map Mode requires a vertex at the attach point. The best way I've found to do this parametrically is to use the Curves Workbench Segment Surface Tool. This provides a vertex (vertices) to attach to that can be moved around with the KnotsU and KnotsV parameters.
Nice useful tip there, thanks for sharing that 👍
At15:20 you change the Attachement Offset in x-direction, but (that's my view of things), the circle moves in y-direction.
I noticed this quite often, especially when repositoning sketches, the direction of movement or axis of rotation has nothing to do with the orientation of the global axis. Can we somehow visualize the local axis, in case that might have a orientation different from the global axis, or is there a general definition or explanation how to find the actual oritation of the sketch we want to move?
Thanks.
Same question. I wonder why it is not exist in Freecad 😢
Thank you very much Darren, however I feel it is tsill notvery intuitive. Why is it not possible to use 3 vertices. There order determines everytihing. I have been trying to use 3points etc. but still have the problem that the normal is not in the direction I expect it to be. For instance O-X-Y, in that order (assuming positive for X and Y) should result in a sketch plane one expects.
Thank you! But I only managed to attach the sketch once. Next time I try undo it ~ there sometimes a mistake message. Sometimes not. And it does not pad. "Points are collineas"
What about, for example, you wanted to apply the FreeCad logo into the surface of a sphere?
Hey can you please make a video about text on a cup, i realle struggle at that point, THANKS in advance from an old grumpy DANE
Not possible to pad attached sketch. Error - Attached to a non App.