I am trying to create an image that is a vertical spiral going from 2" on top to 8" on Bottom with a vertical rise of 7". How is this done?

There are other plugins too - for example Spirix, or SU Parametric Shapes from the SketchUcation Plugin Store. You can also draw a helix manually, but it is tedious if you want a lot of segments per rotation.

DrawMetal has several relevant plugins. Their Curve Maker does spirals.

Something like this? [image] This was done using Spirix .

Thank you for your help. I will try to find Spirix

[image] Deane: I will try to find Spirix You can click on the link in the previous post, or go here: https://sites.google.com/site/spirixcode/code/spirix.rbz

Thank you again. I just looked at your youtube video and it seems very complicated - after all, I am an old dog and this is a new trick. Does the code work on a a Mac? Deane

[image] Deane: Does the code work on a a Mac? I’m pretty sure it works on a Mac. In its simplest form, start with a new (empty) model and create a circle of the diameter you want (I used 0.5" D or 0.25" R). It needs to be vertical in X and Z. Move it 2" along the plus X-axis (red). Run Spirix…

Jim, when I repeated your steps on my Mac, I got a lot of reversed faces and holes, even when I tried with everything supersized by 100: [image]

[image] slbaumgartner: I got a lot of reversed faces and holes Due to the author’s simplistic input algorithm, the order of the segments in the circle are sacred. If you aren’t careful about how the circle is “handled”, it will process the segments out of sequence. This is usually noted by so…

How do you draw a spiral - both flat like a clock spring and vertical like a car spring?

SketchUp

jimhami42 February 23, 2017, 5:06am 6

Something like this?

This was done using Spirix.

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How do you draw a spiral - both flat like a clock spring and vertical like a car spring?

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