Cat Paw Games Keycap Cute DIY PC Silicone Key Cap for Gk61 Gaming Mechanical Keyboards Personalized Keycaps Cherry MX Axis PC _ - AliExpress Mobile
3 x 1U and 2 x 1.25U Ctrl Silicone Keycap Molds [MX Compatible Switches] : ID 5079 : $3.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Akko ACR Pro 75 + Gateron North Pole V1 + CIY Nogi Silicone Keycaps (sound test in comments) : r/BudgetKeebs
Keycap Silicone Mold for Resin Art (Full Set with Keycaps Puller) | Ka | MiniatureSweet | Kawaii Resin Crafts | Decoden Cabochons Supplies | Jewelry Making