This card you need to have Sure cuts a lot , cricut and edges font (need to be) installed on your computer to cut it . Image on the front of card is from alota rubber stamp
There is a lot that can be done with these edges fonts, i have made 6 patterns in the triangles as a sample .
Here is a link to a set of edges FONTS that you will need to down load (and install) to be able to cut the cards (after you have installed the fonts and if you go looking for them in inkscape and cant seem to find them under the "E" go down the bottom of the fonts as i used a little "e" and that is where the scal put them)
If you have sure cuts a lot HERE IS THE PATTERN