@GIOV
In ADV21 I did the part using the Sheet Metal WorkSpace. You are right is not feasible to do a Feature Circular bend Pattern

The weight is 815 Gm in Flat Carbon Steel 3 mm Thickness.

The vertical high is 60.091 mm, so is little more the total of 60 mm.

Thanks for your time to model it up. Unfortunately, standard

**"Circular Pattern"** and

**"Circular Topology Pattern"** features do not work with sheet metal specific commands.

I had some luck with

**"Circular Topology Pattern"**, as it gives a preview of the result, but it fires up an error after clicking on

**OK.**
Let's hope that it would be implemented within the next releases as the preview of the pattern gives us a clue that the software is already working up until to a certain level.

The correct mass is 809grams when the density is set to

__7800kg/m3__
You aren't too far from it, but not in ±1 gram tolerance though.

@OTE_TheMissile @HaroldL
If I had to model this, I'd designate the top "arm" as the master and drive all the other 3 arms' features through the Equation Editor. Then adjust the length of the inside flanges to get the 60mm height (through some napkin-scribble trig) before tuning the length of the outside flanges to get the 300mm BCø

@tyc , that is an interesting part and although it is a simple one it can be a challenge. It seems the more sheet metal tools Alibre adds the more options that are available for creating sheet metal parts.

You guys came up with the same idea of driving the features through Equation Editor.

@HaroldL thanks you so much for an amazing tutorial on modeling the sheet metal part up. I find your screencasts very helpful, as you explain everything very calmly, almost like an educator. Me being a new user of Alibre, I'm still discovering all the cool features that come with it, and it looks like the Equation Editor has a vast range of use cases where it makes designing more efficient and design changes much easier.

This drawing is taken from a speed modelling oriented youtube channel. Although everyone had somewhat different approaches, I think the most accurate and fastest modeling of this part is by using

**"Contour Flange**" command provided the circular pattern works. Otherwise, the speed modelling becomes a real challenge as you have to calculate the lenght of the 60 degree angle flange and bunch of other work arounds.

Well, I think what we can draw from this post is that it is very much possible to model this part in Alibre's sheet metal workspace, with a couple of workarounds which causing longer design time.