Airsoft 12g shell holder

1st attempt at altering a design, here is where i started Airsoft shotgun shell molle holder by Геннадий Кляченков | Download free STL model | Printables.comwill be updating what it comes out like after the print is complete, i am printing with a Geeetech A30M. i will be adjusting it to fit on a Molle style attachment along with after print images for both