I built this model on my PC with Sketchup, and I want to make a twin in Shapr3D. However I find it difficult to draw a 3D sprial or something like that, has anybody got an idea?
Welcome to the forum @apricot
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Jubilee Church
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This one is a verical shape with two sprials more than 360 degrees, I not sure if that case can be of help…
Have you attempted to Search?
Yes I viewed that thread, and it’s different, it should look like this TMScreenshot_2020.05.09-09.15.49|690x412
would this work?
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Sorry if I failed to explain fully in my Post:
https://discourse.shapr3d.com/t/how-to-build-a-spiral-like-this/7623/3
Have you Opened the Search Facility and Typed in the word Spiral and then accessed the More feature as described.
Given experience with SketchUp I am assuming that you would be capable of garnering sufficient information to set you on a productive route to achieve your objective.
As a Member I am suggesting where you could start looking for clues to solve your problem. Presently I am too busy to offer a detailed ‘How to’.
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OMG this is great, THANK YOU!
I am glad that it helped.
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Really Thank you! Problem solved!
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Just a feedback, I find that when I use spline cruve to draw a line and offset it, the points on the new curve is oddly too many that I can not push the surface it forms.
A video is attached to explain.
I drew another spline curve to build my model, but I’m sure this bug should be fixed.(maybe limit the number of possible points on a curve?)
hi @apricot, it is not a bug, this is just how the math works behind it. You could observe the same thing in Rhino, Solidworks, etc. Offset curves of splines are complex.
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You are correct. It’s not a bug, it’s the I-dont-understand math, jajajaja. I should go and learn more.
@apricot
Your Video seems to show that there was difficulty Pulling the Closed Sketch up into a Body?
Accepting the above as true I created a Spline and followed the process through without experiencing any problems. Create the first Spline using less Control Points to see if that helps.
Having created a similar Spline with 21 Control Points and achieving a similar end result, albeit the Edge curves being less smooth, the problem you experienced does not appear to be linked to the Number of Control Points.
Sketch > Spline selecting the Control option and utilising 6 Points:
Fast forward to the Closed Sketch and forming the Body:
In the interests of clarity, for the Community, Tools > Move/Rotate selection of the Edge to Drag downward creating the desired Body:
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