I found these cutlery dividers at Dollarama (Canada) and they are the perfect size for shelves. Also a makeup organizer that I flipped upside down to use as a display case. :
Flatware Drawer Organizer | Totally Bamboo | Unpacked Living
Amazon.com - SMIRLY Bamboo Silverware Organizer for Drawer - Expandable Kitchen Drawer Organizer, Kitchen Utensil Organizer for Kitchen Drawers - Silverware Tray for Drawer - Flatware & Cutlery Organizer in Drawer
Kitchen Details 5-Compartment Cutlery Tray 23195 - The Home Depot
Rev-A-Shelf Walnut Trim To Fit Shallow Cutlery Drawer Insert Organizer & Reviews | Wayfair