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Electric Image Universe 4.0 is a very good quality professional 3D modeling and animation software suite for PowerPC Macs.
ElectricImage_Universe4.0.toast (90.57 MiB / 94.97 MB)
Electric Image Universe v4.0 / Toast image
Architecture: PPC only
Mac OS 9.x - Mac OS X
At least 100MB of free RAM (more is recommended, depending on your project's complexity)
Emulating this? It should run fine under: SheepShaver