Silicone Sock Mold for E3D old style Volcano or clone

Description:
This is a mold kit for making Silicone Sock Insulators for the E3d old style Volcano heater block or clone. The sock wall thickness is 2mm.
OpenSCAD source is included. You can fully customizable it, if you want.

Material:
You'll need a high-temperature RTV silicone to make with:

Permatex 81878 Ultra Copper RTV Silicone Gasket Maker
https://www.amazon.com/dp/B0002UEOPA/

or same one in Japan:

Monotaro High Temperature RTV Silicone Gasket Maker
https://www.monotaro.co