Summary I upload this free USB case design for TOMs. This can be a nice personalised gift to surprise your TOM. This is a design from http://customflashdrive.co.uk/3d-print-your-own, which is our family business. You can 3D print this item yourself, or order the ready-made USBs or Keychains at our website. A 16GB - flash drive costs 25 EUR. Print Settings Printer Brand: Leapfrog Printer: Creatr Supports: No Resolution: 0.2 mm Infill: 15% Notes: The USB I used is a v7 nano usb stick. It was stuck in with a glue gun. Wall Thickness: 0.8 mm Infill: Minimum 15% This is a honeycomb-shaped infill. In case you use this setting of 15% infill one print will take about less than 30 mins. Printing Speed: 150 mm/sec – Printing Speed has an influence on quality.