Fabric flexible bag

This 3D printed bag can be used to hold some small items. This design referenced https://www.printables.com/model/544241-3d-printed-fabric and exteneded it with a slot/insert system for various applicans. It is reimplemented with openscad.Build steps:Caution: this making need some intermediate knowledge about slicer.this making can be fragile and might break under certain force with some small piece fall out, don't give it to little kids.Print napkin_bag_rigid_1stpcs and napkin_bag_rigid_2nc