Size: 77mm x 77mm x 12mm (use template)
Process:
Design
Start with the Die Inset Template on TinkerCAD
Create a Hole shape to make the die shape
Bevel the top edge, if possible, using the Cone, Pyramid, or Roof (Green triangle) shape
ADVANCED DESIGN CHALLENGE: For a die with a suspended shape (hollow form extrusion)
Use the InterChangeable Extruder Base template
Align the suspended shape in the center of the base
Make sure the suspended part is no more than 41mm tall
use two of the "hole" cross-bars to make holes for the bolts
Download
Goto Design>Download For 3D Printing. Select the "Download the selected shape" box, and press the ".STL" button
Name your file in the format - ABC123-description
ABC - your initials
123 - Unique ID to keep file versions obvious
description - something that can help you recognize the file
Transfer your design to your USB
Each of these parts will take about 1-2hrs, so it will run with 2 or 3 others, overnight