Parts list
Used
M2 screws and bolt and ran it from through to the rosette.. the mini screws that come with the rosette and TILTA will break from the threads. you can try using your own inserts but i had worst luck with them.. so try at your own risk.
Tilta R4D handle adapters
Right:
https://tilta.com/shop/tiltaing-advanced-right-side-handle-attachment-type-ix-black/
Left:
https://tilta.com/shop/tiltaing-advanced-left-side-handle-attachment-type-ix-black/
Camvate rosettes:
https://www.amazon.com/dp/B072BX2QPY?psc=1&ref=ppx_yo2ov_dt_b_product_details
The author hasn't provided the model origin yet.