More to explore:
3D Box Card Tutorial
by EverBloomingCrafts on Youtube
3D Box Card Tutorial - Stunning card, and not that hard with these instructions!
How to make a 3D card in a box - part 2 - YouTube
How to make a 3D card in a box - part 3 - YouTube
How to make a 3D card in a box - part 1
DIY Simple 3D Gift Card
Wow! This card is just awesome with the cupcake. I haven't seen one like this before!
Baby Crib Card In A Box 3D SVG by MyCasualWhimsy on Etsy, $1.99
This is only for the 3D pop up rose! stunning, trying to figure out how to do it..
Get Well Bear Card In A Box 3D SVG van MyCasualWhimsy op Etsy, $1.99
POP-UP BOX CARD - 3D BOX CARD with VILDA STAMPS - YouTube
Love this!!! Too cute!!
Gorgeous Blush in Shabby Chic 3D box card - tutorial
Could use for birthday cards too