Children's Bag Wall Hook

With back to school happening I decided to make a wall hook for my daughters backpack. This is not for heavy bags, but my daughter is in Kindergarten so her bag is light enough. The heart shape is only because I asked her what she wanted the back plate to be. I printed this with a 0.5mm nozzle with PLA, though the material probably does not matter. I used tree supports with support roof and floor enabled. And for better strength I used 5 walls for printing. I designed this to work with some screws that I already had, which have a 10 mm head with a 30 degree angle leading to the threads.