A Scroll 'ello for your O'cello

I really wanted a scroll for the O'Cello so I found this wonderful violin print designed by bchan based on a Stradivarius and scaled it up to use as a base model to design and build the scroll. https://pinshape.com/items/24608-3d-printed-violin Also, since there were no major changes, if you have already printed an O'cello, you can easily swap to this design as well.

First I had to make them mate up. I redesigned the top of the neck and the bottom of the scroll. I wanted a joint that had a mechanical fit and I also wanted to integrate the through holes for the strings.

This all took a fair bit of work to design, but the real challenge was to generate an FDM printable scroll. I tried a couple of orientations and supports systems, but everything came out ugly, until I had the idea for integrated support.

This is a challenging print, but with a little filing and sanding, the result is worth it.

I have included a "fit testing" file that just has the basic joint. You can u