The mold is a female replica of your original part.
Create plastic mold.
The best mold material to combat this kind of casting problem is silicone rtv or room temperature vulcanizing rubber.
If specific color is required add coloring to the mix.
The best part of rtv is it comes in the form of liquid until you add the required.
This can be done with a 3d print or a soft prototyping mold.
Cast your mold with plastic resin wait for it to cure and then remove the mold to reveal your creation.
Silicone rtv rubber creates flexible tear resistant molds that are capable of producing fine detail and can withstand high temperatures.
Note that the original item must hav.
Mix liquid plastics in a well ventilated area to reduce the danger of fumes.
Molding plastic is a fun inexpensive way to create unique pieces or replicas of your favorite items.
Get the right mold material.
Step 5 remove the plastic part from the mold once it has hardened and make as many more as you need.
I made an epoxy mold of an existing plastic item.
Home plastic injection molding with an epoxy mold.
Thermoforming is a manufacturing process where a plastic sheet called thermoplastic is heated to a pliable forming temperature formed to a specific shape in a mold and trimmed to create a usable product.
While you can buy them in all sorts of shapes sizes and designs sometimes finding the perfect mold for a custom piece is impossible.
Based on the part that was molded estimate or measure the amount of plastic resin needed to be mixed here is a 1 1 mix ratio resin.
When that happens you have to make your own.
Silicone molds are favored by casters because they are easy to use and don t require much mold release.
Allow it to fill the mold.
Then i was able to make copies of that item using a home plastic injection molding machine this process should work for many different types of items or models.
The first thing you need to have for creating a plastic part is a mold.
You need to create your mold with a material called rtv room temperature vulcanizing slicone rubber.
To create your own silicone rubber mold for plastic casting complete this 3 day process.
Thermoplastic comes in a wide variety of materials colors finishes and thickness.