What are some of the problems with 3D modelling?

Learning Centre > What are some of the problems with 3D modelling?

3D modelling is a great way to present a product idea, but there are still some common problems that can arise. Learn about these issues and how to fix them here!

3D modelling is a great way to present a product idea, but there are still some common problems that can arise. Learn about these issues and how to fix them here!3D modelling is a great way to present a product idea, but there are still some common problems that can arise. Learn about these issues and how to fix them here!

Although 3D modeling is taking over, it is still a relatively new way to present a product idea. This leaves there to be some common questions and problems that arise when using this method of product representation.

Conversion error is the most common problem noted with 3D modeling. These errors occur when switching from one format to another or one program to another. The reason they occur is because file values are adjusted during the conversion process to fit within the new format. This adjustment is often either larger or smaller.
There isn’t much that can be done about conversion errors. They are the design of the software and formats. However, many 3D development software’s are being designed to combat this problem (or at least make it easier).
In the meantime, it’s best to try and work within one program. Additionally, when exporting your design, try to keep it in the format the design was originally created to be displayed in.

System crashes are unfortunately another common problem with 3D modeling. The primary reason for a system crash in this case is that the file being created is too large. Many people do not realize that trying to save a file that is abnormally large can actually cause a computer to crash entirely. This will happen because the computer system is essentially “overwhelmed” so it just…crashes!

Solution

Although it seems obvious, the easiest way to avoid a system crash is to purchase a computer with a high amount of memory space. Most artists recommend 64GB of RAM.
However, if you cannot get your hands on a new computer, you can upgrade the one you currently have to as much space as it’ll open up to.
You could also invest in an external storage device to store your projects on. Keep in mind though that transferring from your computer to an external storage device (and vice versa) could also lead to a system crash.

Global Illumination is the process in which realistic artificial light is added to the product design or scene. The purpose is to illuminate the product and display how it would look in real life. The most common problems associated with GI are flickering and hue changes.
As for the flickering, this is unfortunately a software problem and the only way to fix or adjust it is to play with your render settings. It is a trial-and-error process that can be time consuming but is necessary to display your product correctly.
The hue changes come down to the light settings that you have your GI set at. For example, with incorrect GI lighting, a white product may come off as light blue on the screen. This can be adjusted by playing with your GI settings.

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