It s a good tutorial. We can understand, how did you do it........But that is not what we really need to understand! We need to understand the 'thought process' in you head, when you are planning what and how to do job like this, Why did you do 'this and that' - what compelled you to do it and not do or try something else to get to the result. What all do you consider as you plan to do the fillet like this. There has to be some 'mental flowchart' for doing this -and that is what we need to learn!
Good morning! Is it possible to do a tutorial about car class-a surfacing with freecad? It will be a great video. I'm try to shift all my work flow, as mech engineer, on open source software suite. Thanks a lot for your attention and your works on this fantastic channel.
short answer no - FreeCAD does not have the tools you need for Class-A surf. The ability to move CVs is missing as well as crucial tools like the loft or blend surface tool giving it a topology align option etc. FreeCAD is far behind Rhino and that already is hard to use for Class-A. I also feel after few tests that the FreeCAD openCascade powered modeling tools in FreeCAD produce rather poor surface qualities. G1 seems doable but G2 it seems is borderline unusable. I could be wrong - however all FreeCAD models I opened in Alias showed a shocking NURBS patch topology. Even in Fusion360 this is an extremely difficult task
the continuity between surfaces - how smoothly they connect to one another. G0 - position (touching) G1 - tangent (angle) G2 - curvature (radius) G3 - acceleration (rate of change of curvature) From "Freeform surface modelling" by Metzger and Eismann (sorry no linking to pdf)
OK, I get it. But why is it important to choose G1 here? Of course, I should build the model and find out for myself, but that doesn't necessarily get right to the core of it. How would I know by looking at the shape that G2 (for instance) is going to cause me problems?
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So good sir
Great video!
Great. Works perfect. Thank you very much.
I try your recommmendaton for the bottle. Thank you 🙂
A very nice work around. Thanks.
Thanks!
Thanks alot!! :)
It s a good tutorial. We can understand, how did you do it........But that is not what we really need to understand! We need to understand the 'thought process' in you head, when you are planning what and how to do job like this, Why did you do 'this and that' - what compelled you to do it and not do or try something else to get to the result. What all do you consider as you plan to do the fillet like this. There has to be some 'mental flowchart' for doing this -and that is what we need to learn!
Good morning! Is it possible to do a tutorial about car class-a surfacing with freecad? It will be a great video. I'm try to shift all my work flow, as mech engineer, on open source software suite. Thanks a lot for your attention and your works on this fantastic channel.
short answer no - FreeCAD does not have the tools you need for Class-A surf. The ability to move CVs is missing as well as crucial tools like the loft or blend surface tool giving it a topology align option etc. FreeCAD is far behind Rhino and that already is hard to use for Class-A.
I also feel after few tests that the FreeCAD openCascade powered modeling tools in FreeCAD produce rather poor surface qualities.
G1 seems doable but G2 it seems is borderline unusable.
I could be wrong - however all FreeCAD models I opened in Alias showed a shocking NURBS patch topology.
Even in Fusion360 this is an extremely difficult task
Thanks @@cekuhnen
@@romanopescione8700sorry that i cannot say yes sure …
@@ckbrd Thanks...
Can someone explain the G1, G2, G3 continuity?
the continuity between surfaces - how smoothly they connect to one another.
G0 - position (touching)
G1 - tangent (angle)
G2 - curvature (radius)
G3 - acceleration (rate of change of curvature)
From "Freeform surface modelling" by Metzger and Eismann (sorry no linking to pdf)
OK, I get it. But why is it important to choose G1 here? Of course, I should build the model and find out for myself, but that doesn't necessarily get right to the core of it. How would I know by looking at the shape that G2 (for instance) is going to cause me problems?
Hi DuyQuang , trying to get in touch with you for some freelance work, please share your mail? Ko-fi isn't supported in my country!