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.
Create plastic mold.
Thermoplastic comes in a wide variety of materials colors finishes and thickness.
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.
Note that the original item must hav.
To create your own silicone rubber mold for plastic casting complete this 3 day process.
Allow it to fill the mold.
When that happens you have to make your own.
I made an epoxy mold of an existing plastic item.
Pour the mixed liquid plastic into the mold at the lowest point.
Step 5 remove the plastic part from the mold once it has hardened and make as many more as you need.
You need to create your mold with a material called rtv room temperature vulcanizing slicone rubber.
This can be done with a 3d print or a soft prototyping mold.
The first thing you need to have for creating a plastic part is a mold.
While you can buy them in all sorts of shapes sizes and designs sometimes finding the perfect mold for a custom piece is impossible.
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 mold is a female replica of your original part.
If specific color is required add coloring to the mix.
Molding plastic is a fun inexpensive way to create unique pieces or replicas of your favorite items.
The best mold material to combat this kind of casting problem is silicone rtv or room temperature vulcanizing rubber.
Get the right mold material.
The best part of rtv is it comes in the form of liquid until you add the required.
Silicone rtv rubber creates flexible tear resistant molds that are capable of producing fine detail and can withstand high temperatures.
Silicone molds are favored by casters because they are easy to use and don t require much mold release.
Home plastic injection molding with an epoxy mold.
Mix liquid plastics in a well ventilated area to reduce the danger of fumes.