CAD Assistant

by Open Cascade SASv1.6.0

OpenCascade.CADAssistant

CAD Assistant is a free offline 3D CAD viewer and converter supporting formats such as STEP, IGES, STL, and more, developed by Open Cascade.

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Install with winget

$ winget install --id OpenCascade.CADAssistant --exact --version 1.6.0

Run in Command Prompt, PowerShell, or Windows Terminal. Prompts for any agreements.

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Installers · v1.6.0

Architecture	Type	Scope	Install	Download
x64	inno	machine		Direct

Copy a command tailored to that specific architecture, type, and scope - useful when winget would otherwise pick a different default.