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Free Sample CAD Files

Download free sample CAD files in DXF, STEP, STP, IGES, and PLT formats — dummy drawings and 3D CAD models for testing engineering, drafting, and manufacturing software.

Choose a Format

Pick a format below to see downloadable samples.

DXF

8 sample files available

View DXF Samples →

IGES

8 sample files available

View IGES Samples →

PLT (HPGL)

8 sample files available

View PLT (HPGL) Samples →

STEP

8 sample files available

View STEP Samples →

STEP (.stp)

8 sample files available

View STEP (.stp) Samples →

STEP and IGES are the two formats most CAD packages use to exchange 3D models between different software — these samples are handy for testing import/export compatibility.