Mechanically reducing of polygons count with Blender

Summary

If you want to reduce the number of polygons without hassle, you can use the Decimate modifier to reduce the number of polygons mechanically.

Prerequisites

• Blender v2.93
• macOS Big Sur v11.6

Steps

Add Decimate in Modifier property.

Scrub Ratio field.

Reducing result is here.

References

• Decimate Modifier — Blender Manual