Here's a very useful thing for still-life photography: a pair of clamps which will hold a piece of paper or card to create a seamless background sweep.
(https://1.bp.blogspot.com/-yfpaamSD1Vo/Xouoz6UhlLI/AAAAAAAAOGE/YOugl6_iBlEFT-UsLnFfK7MPbeT5rG5LwCLcBGAsYHQ/s1600/2020-04-07_PhotoSweep01.jpg)
(https://1.bp.blogspot.com/-iqXB0UtmqwQ/Xouoz6Ki3sI/AAAAAAAAOGI/PwyrVJk-pME0PbUJge8_3r2gzPkSJhTkwCLcBGAsYHQ/s1600/2020-04-07_PhotoSweep02.jpg)
The files are available free from https://www.thingiverse.com/thing:3638751 (https://www.thingiverse.com/thing:3638751)
With this, you can quickly and easily swap out different colours, gradients, background images and what-not.
You will need access to a 3d printer though.
(https://1.bp.blogspot.com/-MWMgusdUfBk/XowsAJxbFFI/AAAAAAAAOGU/gUSqT5m-c6gVkbP1QOGfOCUhUJd_KVVlgCLcBGAsYHQ/s1600/2020-04-07_PhotoSweep03.jpg)
Here's mine, fresh off the printer and loaded with the nearest sheet of card I had to hand.