topic Re: Stretching sketches in Fusion Design, Validate & Document Forum

Stretching sketches

Simon_V — Tue, 08 Sep 2020 05:18:26 GMT

I'm a long time SketchUp user trying to learn Fusion 360. In SketchUp I can draw a profile, rotate it, then scale it along different axes so that it does not scale (or does, depending what I want it to do), proportionally. I can scale from side to side or top to bottom to stretch or squash a sketch. I've inserted a screenshot here of what I mean. Is there any way to do this in Fusion 360 without having to create and modify a form? Can I just draw a profile as a sketch, rotate it to circular and then either stretch or compress to rotated sketch?

Re: Stretching sketches

etfrench — Tue, 08 Sep 2020 07:07:22 GMT

Scaling, IMHO, should only be used as a last resort. It's better to use dimensions, constraints, and user parameters to modify the model. After all, Fusion 360 is a parametric modeling program 😀

Re: Stretching sketches

g-andresen — Tue, 08 Sep 2020 08:22:50 GMT

Hi,

1. non uniform scaling is only possible with solids and surfaces

2. if you want to have sketches you can derive it from the scaled body by projection

günther

Re: Stretching sketches

Simon_V — Tue, 08 Sep 2020 12:05:44 GMT

I did it by lofting instead. I'm pretty proud of myself. Not bad for my first F360 attempt 🙂

Re: Stretching sketches

ritste20 — Tue, 08 Sep 2020 12:24:23 GMT

Agreed, non-uniform scaling should always be your absolute last option. Personally I would rather start from scratch than use the non-uniform tool.

If you want a project to learn a new way of doing things in Fusion - create 3 user parameters in your model for x-scale, y-scale, and z-scale. Try and build all your sketches and features to be controllable from those 3 values and I guarantee you it will force you to learn all the different constraints and how to get creative with your dimensioning strategy. Essentially all your sketches and features become relative to those parameters in one way or another, but the trick is to still come out of this experience with fully defined sketches that won't break when you adjust values.

Regards,

Re: Stretching sketches

chrisplyler — Tue, 08 Sep 2020 13:26:28 GMT

Ooooooo that would be a GREAT learning exercise.

Re: Stretching sketches

williambingenheimer — Mon, 01 Dec 2025 18:33:30 GMT

Thank you soooo much im trying to make a cryogonal for a snowflake assignment and it made my life soo much easier thanks again