Shape an object using another one

Hi helpers,

I'm trying to create the letter D in the following design:

I would like to curve one of my blue bars so it follows an arc or circle that I would use as a guide. Is this possible? I think it is in Adobe Illustrator. The envelope tool is difficult to use for this and I can't find an easy way to do it.

The blue bars are really just rectangles with filleted corners and thick outlines. When I'm done, I will make the top of the arc overlap the straight bar of the D letter, and the bottom will lay underneath, to replicate the effect in the letter A.


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  • I found a way to do it, but it's a lot of work. I'm sure there's a better way.

    I used two circles to create a donut with about the same thickness and outlines as the blue bars, which I cut in half with a rectangle (using the Trim tool):

    Then I added two circles about the same thickness again to create the rounded tips, which I welded (Weld tool) with the arc:

    Then I placed the arc in position overlapping the straight D bar. Once there, I duplicated the straight bar and made it small enough to get out of the way of the top of the arc, making sure outlines don't scale:

    Then I used the Back Minus Front tool to create the overlapping:

    There has to be a way to bend rectangles easily!