Most commercial solutions solve this by using bright illumination from both sides to avoid shadows. In a pinch a couple of led under-cupboard light strips off w

Most commercial solutions solve this by using bright illumination from both sides to avoid shadows. In a pinch a couple of led under-cupboard light strips off would probably work. Something like: https://www.interactive-education.co.uk/product/visualisers/genee-vision-6100/ https://www.interactive-education.co.uk/product/visualisers/... It's almost always easier to control the illumination in the first place rather than fix it in post.