How to convert Parasolid (X_T) to STEP
To convert an X_T file to STEP, use a CAD application that can read Parasolid and export the recipient's required STEP schema. X_T is the native transmit format of the Parasolid kernel, so a compatible Parasolid translator is needed to read it. This Parasolid to STEP guide covers SolidWorks, NX and Onshape workflows, not an upload or conversion engine on TaskBider. Compatible CAD tools may preserve exact B-rep geometry when the translator succeeds; verify the result rather than assuming lossless conversion.
Short answer: Before conversion: ask the recipient which STEP schema and assembly structure they require. Keep the original X_T and record its units, part count and a known dimension for comparison. Both formats can represent B-rep solids rather than tessellated meshes. Translator errors, unsupported versions or export settings can still change or omit geometry; compare the actual result.
| Converts in this browser | No — X_T needs the CAD app that owns it |
|---|---|
| Cost | Guide is free; CAD application or plan terms may apply |
| From | X_T — Parasolid transmit file |
| To | STEP — STEP (ISO 10303) |
| Steps | 6 |
Why there is no uploader on this page
TaskBider does not upload or convert X_T files. Use a CAD application with a compatible Parasolid translator and STEP exporter. Software licensing, input-version support and client-file confidentiality must be checked before choosing a desktop or cloud workflow.
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Converting X_T to STEP, step by step
- 1Before conversion: ask the recipient which STEP schema and assembly structure they require. Keep the original X_T and record its units, part count and a known dimension for comparison.
- 2SolidWorks: open the X_T using the installed Parasolid importer, inspect the imported bodies, then Save As STEP. Select AP214 or AP242 only when supported by both applications and the required deliverable. Save to a separate file.
- 3Siemens NX: import or open the Parasolid transmit file using your release's supported translator. Use its STEP export workflow, choose the agreed output schema and assembly scope, and inspect the export in the receiving CAD application. Menu labels and available options vary by release and licence.
- 4Onshape: import the X_T into an authorized document, wait for translation and inspect its parts. Select the relevant parts or assembly and use Export → STEP. Review units, scope and export options. Free-plan documents are public: do not use that plan for confidential or non-public client models.
- 5Geometry check: reopen the STEP in the recipient's application and compare units, overall dimensions, solid/body count, orientation and required assembly positions. Run the available import/geometry diagnostics for open shells, missing faces or failed bodies. A file opening successfully is not sufficient validation.
- 6Issue the STEP together with any required drawing or tolerance specification and a note of settings and exceptions. Keep the native source as the editable record; do not replace it with the exchange copy.
What to watch out for
- Both formats can represent B-rep solids rather than tessellated meshes. Translator errors, unsupported versions or export settings can still change or omit geometry; compare the actual result.
- Assembly structure and names depend on translator settings. STEP exchange does not preserve the original feature history, sketches and parameters.
- PMI and tolerance retention depend on the STEP schema, translator and export settings; check the receiving application.
The native kernel format behind SolidWorks, NX and Solid Edge. Carries exact solids, but only Parasolid-based CAD can read it.
The ISO-standard solid-model exchange format for mechanical work — carries true solids and assembly structure between SolidWorks, Inventor, CATIA and NX.
Questions
Is a free X_T to STEP converter available?
Onshape supports Parasolid import and STEP export. Its free plan is intended for public, non-commercial documents: do not use it for confidential client files. Check current plan terms before uploading.
X_T or X_B — does it matter?
X_T is the text transmit file and X_B the binary one. Both are Parasolid and both open in the same packages.
How do I convert X_T to STEP in SolidWorks?
Open the Parasolid file, check the imported bodies and save a separate STEP using a schema the recipient supports. Reopen that STEP and compare dimensions, units and bodies. This exchanges geometry; it does not recreate the original feature history.
How do I convert Parasolid to STEP in NX?
Use a supported Parasolid import in your installed NX release, inspect the source bodies, then use STEP export with the agreed schema and part or assembly scope. Check your release's translator documentation and licence options rather than assuming every NX installation has identical menus or support.
Can I convert an X_T file online with Onshape?
Onshape supports Parasolid import and STEP export. Check your document permissions and plan terms before importing. Free-plan documents are public, so use an authorized private workflow for confidential files. TaskBider does not receive or process the model.
What information can be lost converting X_T to STEP?
The original parametric feature history does not transfer as a native editable tree. Assembly names and structure, colors, properties, PMI and tolerances depend on the translator and schema. Compare the exchange with the source and supply any required drawing information separately.
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