VW Vase and Daisy

My daughter recently passed her driving test, and the one car she set her heart on was a VW Beetle. She fell in love at first sight when we found one locally and the deal was sealed when the car came with a built-in vase!? We tried putting a little flower or two in there but they only lasted a few hours as obviously the vase is too small and was never really intended as a serious (horticultural) accessory. I came to the rescue (like any concerned father with a 3D printer would) and designed a 3D printed daisy, complete with 'water' that will NEVER die. It did wilt initially, but the design now includes a hollow stem so that you can insert a small strip of wire to help keep it upright (I've included a template of the wire shape required to aid preparation). You need to pause the print but, depending on how it's sliced, the actual point varies. Note, the actual Vase is a VW part and so the supplied files are for the daisy, stem (solid and hollow) and ‘water’, the Vase is