Valentine's day is right around the corner, why not make that special someone something fun with your printing skills. The flexibility of NinjaFlex works great for mold making. This is a 2 part printable mold that make it easy to make chocolate hearts with fun 3D printing themed messages.
The "heartmold" file can be used with any base.
Messages:
"pla-base" - "Let's PLA together"
"hotend-base" - "I like YOUR hotend"
"filament-base" - "We are filaMENT for each other"
"blank-base" - no text
The author hasn't provided the model origin yet.