I found a free nativity scene SVG Cut File, imported it into fusion 360 and connected the stars with the rest of the design. Made it 2 mm thick. Look out when removing from the buildplate, because the stars are only connected with small pieces, but making them stronger would not make it nice.

Credits for the original design you can find here: https://shopcraftables.com/products/free-nativity-scene-svg-cut-file/

If you like this, you can have a look at my other Christmas things: https://www.thingiverse.com/thing:4002399 https://www.thingiverse.com/thing:4014420