I've redesigned my 1:100 scale model of the Medium C "Hornet" for 1:56 (28mm). That mainly means refining the size of the rivets, adding some detail to the Hotchkiss machine-guns, and a few other bits and pieces.
(https://1.bp.blogspot.com/-NjdJYOBI3mg/YUaCzrtiG1I/AAAAAAAAZ0g/k2nTXFzCtkUoXYRkhdVujQWMnYU24iAtwCLcBGAsYHQ/s800/2021-09-19_MediumCHornet28mm.jpg)
It's at https://www.wargaming3d.com/product/medium-c-hornet-156/ (https://www.wargaming3d.com/product/medium-c-hornet-156/)
Below is a picture of the 1:100 scale model, printed in FDM on my Ender 3
(https://1.bp.blogspot.com/-MdnDUgMF5u8/XS-6q-VPolI/AAAAAAAANUU/YcAvtPyUIm0OozhAJ9B5wPq_YD8mBZZVACLcBGAs/s1600/2019-07-18-MediumC-Hornet-001.jpg)