Summary Remember to use filament certified for contact with food !! I used Colorfabb NGEN is certified by FDA USA and EUROPE; the datasheet here: http://colorfabb.com/files/Eastman_PRIS-Eastman-Amphora(TM)3D-Polymer-AM3300.pdf This strand is great! I printed with BED 50C ° nozzle 230-225 ° C without using fan; Remember that the 3D printing does not produce smooth parts, and bacteria can hide inside cavities of layers; try to print parts with low resolution to minimize the problem. The parts to be printed are 3 to use less support; The handle has a thread that is screwed to the mold; you can screw-unscrew easily! Good dinner!- Burger size: Diameter: 90mm Height: 14mm Weight: approximately 100g Print Settings Printer Brand: RepRap Printer: Prusa i3 Rafts: No Supports: Yes Resolution: 0.200 Infill: 16 - 20 % Notes: Use FAN 20% with files: "Handle_stamp" Using media files only: "Stamp" If you have problems with print support; you can try to print files: "Stamp_with support" has drawn support that should come off easily.