You need to create your mold with a material called rtv room temperature vulcanizing slicone rubber.
Create plastic 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 best part of rtv is it comes in the form of liquid until you add the required.
Note that the original item must hav.
Molding plastic is a fun inexpensive way to create unique pieces or replicas of your favorite items.
Most plastic manufacturers create the design in the computer through a 3d imagery or animation software and eventually create a physical 3d model made out of abs plastic.
Cast your mold with plastic resin wait for it to cure and then remove the mold to reveal your creation.
While you can buy them in all sorts of shapes sizes and designs sometimes finding the perfect mold for a custom piece is impossible.
Allow it to fill the mold.
You may purchase a mold or create your own custom molds out of reusable molding materials silicone and or plaster.
If specific color is required add coloring to the mix.
The best mold material to combat this kind of casting problem is silicone rtv or room temperature vulcanizing rubber.
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.
Mix liquid plastics in a well ventilated area to reduce the danger of fumes.
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.
Silicone rtv rubber creates flexible tear resistant molds that are capable of producing fine detail and can withstand high temperatures.
Thermoplastic comes in a wide variety of materials colors finishes and thickness.
Pour the mixed liquid plastic into the mold at the lowest point.
Get the right mold material.
The first thing you need to have for creating a plastic part is a mold.
Home plastic injection molding with an epoxy mold.
The mold is a female replica of your original part.
I made an epoxy mold of an existing plastic item.
This can be done with a 3d print or a soft prototyping mold.