---
title: "Avontus Designer 2020 R7"
slug: "avontus-designer-2020-r7"
updated: 2023-07-27T15:48:51Z
published: 2023-07-27T15:48:51Z
canonical: "docs.avontus.com/avontus-designer-2020-r7"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.avontus.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Avontus Designer 2020 R7

### **Version: 6.4.688.0 Release Date: May 13, 2020**

## Feature Release Notes

- Added ability to export Conceptual and Model 3d views to AutoCAD DXF file format.

## Enhancement Release Notes

- Zero length materials are now being checked in advance, for some material groups, to avoid errors.

## Issues Resolved

- Resolved a crash issue in boiler scaffold trying to use zero length support frames.
- Empty part numbers for materials (causing some issues) are now disallowed.
- Resolved an issue with exporting to AutoCAD when part numbers where empty.
- Invalid empty part numbers in Xml import files are now automatically populated.
- When sending emails with attachments we now check if there is a mail client app available before attempting to send the email avoiding possible crashes.
- Hardware acceleration is set to ON by default to avoid possible 3D view crashes when using OpenGL.
- Resolved an issue with opening large drawings while trying to draw the conceptual model.
- Resolved an issue in importing materials with possible empty values.