This video outlines making a 2 part block mold using Mold Star™ 15 silicone rubber. Mold Star™ 15 is an easy to use Shore 15A platinum silicone that is mixed 1A:1B by volume (no weighing scale necessary).
Video ‑ 2‑Part Mold Star™ 15 Mold
This video outlines making a 2 part block mold using Mold Star™ 15 silicone rubber. Mold Star™ 15 is an easy to use Shore 15A platinum silicone that is mixed 1A:1B by volume (no weighing scale necessary).