Hi, I’m going to leave SOLIDWORKS forever and dive into Rhino because of some limitation SOLIDWORKS has. I don’t use my model for manufacturing but I need to make them in real dimensions so I need parametric feature of the SW. Can Rhino V6 do this?

[image] jim: I repeat: In Rhino, it t is simple and quick and easy to create a surface that is perpendicular to the drum and follows a curve smoothly and will unroll with no problems. What part of that process is more difficult than it looks? It is not possible to create a developable sur…

[image] davidcockey: It is not possible to create a developable surface which will unroll without stretching/compressing, which is perpendicular to the drum and follows a curve smoothly. I tried it with the drum and curve geometry that was posted and the unrolled surfaces came out less than .…

jim, Tell ya what: Why not create the main flights, and then add the inner flights, and do it so they contour to the drum i.d. path, according to the pdf screen shot I provided. Post it in here and let me see what you come up with. That project is over a decade old, so I’m asking out of curiosit…

Nathan, That’s what I read in the forum thread. Can’t recall which one. The point in the thread was ‘Rhino is being developed for programming instead of 3D modeling’. Just reporting what I read. Unfortunately, not all of us are programmers. Autodesk took that approach w/Inventor using iLogic. Ba…

[image] cadman777: The point in the thread was ‘Rhino is being developed for programming instead of 3D modeling’. Just reporting what I read This is an open forum where people can say whatever they want (within reason) and in many cases involve perceived opinions on how Rhino is being develop…

[image] cadman777: Tell ya what: Why not create the main flights, and then add the inner flights, and do it so they contour to the drum i.d. path, according to the pdf screen shot I provided. Here is something that looks like your picture The surfaces are smooth and perpendicular to the dr…

jim, Thanx for making that model. Unfortunately, the drum you used is wrong. So are the flights. See attached pic of the drawing I made for it. You’ll have to ignore all the non-even numbers, but I settled on them b/c of the level of difficulty in making these. Notes: The inner flights were esp…

[image] cadman777: Thanx for making that model. Unfortunately, the drum you used is wrong. So are the flights. You and David claimed that it is not possible to create a surface which will unroll nicely which is perpendicular to the drum and is smooth. The point of the model was to show that…

[image] jim: You and David claimed that it is not possible to create a surface which will unroll nicely which is perpendicular to the drum and is smooth. The point of the model was to show that that claim was false. I did not claim “it is not possible to create a surface which will unroll nic…

[image] davidcockey: “It is not possible to create a developable surface which will unroll without stretching/compressing, which is perpendicular to the drum and follows a curve smoothly.” That’s like saying there is no such thing as a developable surface because bending any real material can…

Is there any way to run Rhino V6 in parametric mode?

Rhino Rhino for Windows

jim December 31, 2017, 5:58pm 55

Here is something that looks like your picture
The surfaces are smooth and perpendicular to the drum and can be unrolled. And it took less than 10 minutes.
Si where’s the problem?cement_Mixer.3dm (194.1 KB)

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Is there any way to run Rhino V6 in parametric mode?

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