Convert STL to SLDDRW

Understanding STL and SLDDRW file formats

STL (Stereolithography) is a widely used file format for 3D models, especially in 3D printing and computer-aided design (CAD). It represents the surface geometry of a 3D object using a mesh of triangles, but does not contain color, texture, or other attributes.

SLDDRW is a proprietary drawing file format used by SOLIDWORKS. It stores 2D engineering drawings, including views, dimensions, and annotations, typically derived from 3D models created in SOLIDWORKS.

How to convert STL to SLDDRW

Direct conversion from STL to SLDDRW is not straightforward because STL files contain only mesh data, while SLDDRW files require parametric or feature-based 3D models to generate 2D drawings. The process involves several steps:

1. Import the STL file into SOLIDWORKS as a mesh body.
2. Use the Insert → Features → Convert to Mesh Body or Insert → Features → Import Diagnostics to repair and prepare the mesh.
3. If needed, use ScanTo3D or similar tools in SOLIDWORKS to convert the mesh into a solid or surface model.
4. Create a new drawing by selecting File → Make Drawing from Part/Assembly.
5. Place the desired views and add dimensions or annotations as needed.
6. Save the drawing as an SLDDRW file.

Best software for STL to SLDDRW conversion

The most reliable software for this conversion is SOLIDWORKS itself, as it natively supports both STL import and SLDDRW creation. For advanced mesh-to-solid conversion, the ScanTo3D add-in (available in SOLIDWORKS Professional or Premium) is highly recommended.

Summary

While STL to SLDDRW conversion is not direct, SOLIDWORKS provides the necessary tools to import, process, and create 2D drawings from STL files. For best results, ensure your STL mesh is clean and consider using mesh-to-solid conversion features for more editable drawings.