I used to think hardware was the key factor in optimizing 3D modeling performance. While having a powerful machine helps, I’ve learned that clean and efficient modeling make an even bigger difference. Now, I focus on designing cleanly by keeping my files organized and minimizing polygon counts as much as possible. This approach has transformed my workflow This allowed me to handle urban-scale 3D models with numerous buildings and rich information while maintaining smooth performance. Another trick I use is lightweight textures instead of over detailing everything. However, it's essential to avoid overly high-resolution textures, as they can cause lag just as much as heavy geometry. This mindset shift has been a game changer for me.

Hardware is the most crucial part while using any design, visual or any complex engineering softwares. And no wonder, before selecting the critical components of the machine understanding the software requirements is a must.

We can choose some solutions depending on the project we are working on: 1- closing unnecessary tasks and services on the machine to free up hardware resources. 2-To use tools like texture and model proxies and Xrefs in 3dsmax. 3-To Break down the model into some parts and open and work on each part separately. 4-Activating some options in the viewports like "show as box" in 3dsmax. 5- Some modifiers in 3dsmax have options to separate the viewport and rendering quality. 6-Disabling windows frame, transition, and animation in the windows control panel. 7-Not collapse model modifiers stack until the last steps. 8-Increase the number of meshes in the project, since some unnecessary processes will be repeated for each object.

As a Civil Engineer, I've faced lags while modeling road networks, especially in large urban areas (1 million SqM+). The main issue is organizing your work. Here are some steps I follow: - Divide the area into smaller portions. - Avoid displaying 3D mesh surfaces as much as possible. - Adjust 3D display settings of the software you are using. Additionally, check your hardware capabilities. From my experience, gaming graphics cards aren't sufficient for 3D modeling. I found the following specs much better: 1. Intel Xeon processor 2. Quadro graphics card 3. Samsung SSD You can also explore other brands.

Generally these kind of modelling softwares require good RAM capacity and good graphics card for enhancing software performance, 1) We can very well increase the RAM capacity, or 2) We can also try increasing the graphics card storage

One thing that I found really helpful is knowing is to always comply with system requirements... Make sure your system meets the demand your software can create... If you can't, make sure not to overload the processor... If you know there is certain something (an action or command) that probably can crash the system, make sure there are no other major processes running in the background... Make sure the entire capacity of your system is focused on the main task.

I will first check the configuration of the system, then make sure before starting the model check complication of the model, then start modeling in very optimis way possible, then uv the model in a way to get very good texture

The first step is always to keep up to date with the versions of the BIM program used. In the case of Archicad, for example, solid element operations can weigh the file so use it only when necessary. It certainly optimizes the use of the file a lot.

Reduce the polygon count or keep your models low poly as much as possible to lower the processing load. You add more sub divisions later on. Optimize hardware: Ensure your computer has sufficient RAM and a powerful graphics card to handle complex models. Adjust software settings: Increase virtual memory allocation and tweak viewport settings for better performance. Worst case scenario where your hardware cannot handle complex scenes ,its best to break the components that make your scene into different individual projects with the project source files pointing to one location.After working on the individual components you them import them all into a single scene with the source files still pointing to the same location.

Reduce Poly Count: Use decimation or retopology tools to reduce the number of polygons in your model without losing detail. • Use Proxies: Replace detailed objects with lower-resolution proxies when possible. • Hide Unnecessary Geometry: Hide parts of your model that you’re not actively working on. • Work with Layers: Separate complex models into layers and only enable the ones you need.