obj

LCSC3D

+19

Windows 便携工具：按立创 C 编号批量下载 STEP/OBJ 3D 模型，导出 Altium Designer SchLib/PcbLib 元件库，预览 3D、符号与封装，支持自更新。

f3d-app/f3d

+24

Fast and minimalist 3D viewer.

OpenJSCAD.org

+5

JSCAD is an open source set of modular, browser and command line tools for creating parametric 2D and 3D designs with JavaScript code. It provides a quick, precise and reproducible method for generating 3D models, and is especially useful for creating ready-to-print 3D designs.