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Convert DWG to STP using C# REST API

This guide walks you through how to convert DWG to STP using a C# REST API. You’ll build a DWG‑to‑STEP file converter with a C# RESTful service powered by a .NET‑based Cloud SDK, making it easy to bring AutoCAD models into mechanical CAD applications.

Prerequisite

Steps to Convert DWG to STP Online using C# REST API

  1. Create the CadApi object using the user ID and secret for converting DWG to STP
  2. Set paths for source DWG file and output STP file
  3. Read the input DWG file into a memory stream and initialize it
  4. Create the PutDrawingSTPRequest object by setting the memory stream in the constructor
  5. Convert the DWG file to STP by calling the PutDrawingSTP() method
  6. Save the stream from the API response into the local STP file

The above steps explain the development of a DWG to STP converter online using C# Low Code API. Use the secret key/ID and base URL to create an object of the CadApi, set the input/output paths for DWG and STP, respectively, and read the input DWG file into the memory stream. Create the PutDrawingSTPRequest object for performing the conversion and save the output on the disk.

Code for DWG to STP Converter using C# .NET-based API

With this snippet you can seamlessly convert a DWG file to an STP model via the C# REST interface. The operation works directly on drawings already residing in the cloud. Feel free to experiment with the other parameters of the PutDrawingSTPRequest constructor—such as the cloud storage name, export options, or a custom output path—to tailor the conversion to your needs.

In this guide we’ve walked through converting a DWG file to a STEP file using the C# REST API. If you also need to transform DWG files into SVG, be sure to read the companion article Convert DWG to SVG using C# REST API.

 

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