Lithophane Stand

I created a stand for an arc Lithophane. I used Luban3d Software to generate the Lithophane. The picture that I started with is 966 PX x 1134 PX.  

The light that I used is this one from Amazon https://www.amazon.com/dp/B07Q2HT3ML?ref=ppx_yo2ov_dt_b_product_details&th=1.

My settings in Luban are: