Here's some that can be made 3d or check this out. unless your taking CNC 3D
https://www.pinterest.co.uk/search/pins/?q=wooden valentines day crafts 3D&rs=typed&term_meta[]=wooden|typed&term_meta[]=valentines|typed&term_meta[]=day|typed&term_meta[]=crafts|typed&term_meta[]=3D|typed