13. Molding and Casting¶
Hi! This week is divided in to the following:
- Group work on reading the Data Sheet of the Silicone and resin
- Designing the 3D file
- Milling the Wax mother mold
- Casting silicone to make the mold
- Pouring Epoxy Resin into the silicone mold
Designing the 3D file:¶
For this week’s assignment, I wanted to make a dice- specifically a 20-sided dice used to play Dungeons and Dragons and other similar TTRPGs (commonly known as a D20)
So I began working on fusion to the shape of the 20-sided geometry. A 20 sided polygon is usually called an ‘Icasohedron’. I made use of this tutorial to make the dice:
Design an Icosahedron the Easy Way in Fusion 360 with 3D Sketch
My CAD:
Post this, I split the body into half along a central intersecting plane. This way I could make a two-part mold.
Next up, I saved the body as an STL and took it to the SRM-20 machine. Here, we use the SRP Player software to send the STL file to the machine.