September 2022 Newsletter

Welcome to the latest newsletter from 3SL that provides a mixture of news and technical information about us, and our requirements management and systems engineering tool “Cradle”. We would especially like to welcome everyone who has purchased Cradle in the past month and those who are currently evaluating Cradle for their projects and processes.

We hope that we, and Cradle, can deliver real and measurable benefits to all of the exciting development projects that we see every day through your regular contacts with our support team. If you have any problems, please do not hesitate to contact 3SL support here.

Showing Cell Titles in Views

Sometimes when displaying a nested view the cell titles take up a lot of space on the screen.

Displaying Cell Titles
Displaying Cell Titles

Within the View Details dialog you have the option to choose whether you want to display the cell titles:

Show cell titles option
Displaying cell titles in views

As you can see you can choose to either:

  • Show the cell titles
  • Hide the cell titles
  • Show the cell titles only when the view is top-level

You can change the visibility of any of the component views that are being used to show linked items. In practice, most people either hide everything or show everything.

For further information on views please see our online help page.

Help with Cradle-7.7

Following on from our recent Cradle-7.7 release, if you are not already a customer and would like more information about Cradle, you can download the software and a free evaluation licence. You can find this on our website, or  you can request a webinar. If you are a customer and would like to upgrade, please contact 3SL for a Security Code and for any assistance you may require with the upgrade.

Upcoming Training Courses

We still have places available on our September Risk Management course. Learn how to identify, analyse, evaluate, treat and monitor the risks associated with activities or events within your business. This course is designed for project team leaders or managers who administer and manage risks.

To book a place on one of our online courses please click here!

G-Cloud 13

Cradle on G-Cloud-12
G-Cloud 13

The UK government Digital Market Place Cloud Software applications offer a wide range of software aimed at fulfilment of central and regional government contracts, government agencies’ work and local authority use. This ranges from Schools, education and libraries to Fault management, monitoring and alerting  or Marketing. 3SL (Structured Software Systems Ltd.) continue our presence in G-Cloud 12 but are proud  to announce that Cradle has been successful on G-Cloud 13 and will be available as SaaS through G-Cloud 13 for agile and phase-based projects under the Information and communications technology (ICT) services when it goes live in November.


Cradle offers two packages Cradle Software as SaaS and Cradle Training and Consultancy.


The software package includes Cradle licences, a pre-defined schema and a comprehensive support package. This can be used in  both unclassified (IL0) and OFFICIAL (certified IL3) deployments and covers the following elements:

  • Agile Collaboration
  • Application Lifecycle Development
  • Application Lifecycle Management
  • Agile Software Development
  • Agile Software Management
  • Business Analysis
  • Business Process Modelling
  • Defect Tracking
  • Enterprise Architecture
  • Integrated Risk Management
  • Integrated Test Management
  • Lifecycle Management
  • MBE Model Based Engineering
  • MBSE Model Based Software Engineering
  • MBSE Model Based Systems Engineering
  • Requirements and Testing
  • Requirements Engineering
  • Requirements Management
  • Risk Assessment
  • Risk Compliance
  • Risk Management
  • SysML Modelling
  • Systems Engineering
  • Test Execution
  • Test Management
  • Test Planning
  • UML Modelling

Cradle Training/Consultancy

  • Consultancy
  • Administration Training
  • Fundamentals Training
  • Advanced Lifecycle Training

Prices start from as little as £50.00 per user per month. Including email and phone support and full documentation included. Optional onsite support and training is available. This can be supplied on Windows® or Linux®.


A wide range of user customisation is available including:

  • Items’ (attributes, links and properties)
  • Display of chosen data and layout through queries, views, forms,
  • Processing data to give graphs, reports, documents, metrics, KPIs/dashboards, process
  • CM (Configuration Management) system workflows
  • UI (User Interface) layout and content
  • Authentication and access control


For details, see here:

  • Software
  • Training/Consultancy

or search for 3SL Cradle.  For an overview of Cradle, see our video here:  We look forward to helping you achieve success on your future projects, or migrating existing ‘manual’ or disparate works into a fully encompassed solution.

August 2022 – Newsletter

Cradle-7.7 – Released

We are pleased to announce the release of Cradle-7.7 which is available now for download from the downloads section of the 3SL website.  This is the latest version of Cradle.

Cradle-7.7 splash screen

3SL customers with active maintenance have been sent an e-mail notification, and details of which of their enhancement requests and bug reports are included in this new release.  This is a significant Cradle release that increments the Cradle minor version number from 7.6 to 7.7. This means that the Security Codes for Cradle-7.6 or earlier will NOT work with this new Cradle-7.7 release. Therefore, if you want to upgrade to Cradle-7.7 then you MUST contact 3SL Support and request a Cradle-7.7 Security Code since your existing Cradle-7.6 Security Codes will NOT work with this new release.

New Cradle-7.7 Capabilities

This release contains a range of new capabilities, including:

  • Snapshots
  • Metrics added to graphs
  • New header option in views
  • New reports
  • Annular dial type added to Dashboards
  • Precision option added to Dashboards
  • Ability to test email setup from User Preferences

These new capabilities are shown below. For further information please refer to the Release Notes.


A snapshot is a read-only copy of all the information in a Cradle database at a specific point in time that can be viewed, in isolation, at any point in the future.

Snapshots can be created and selected from the Project tab in WorkBench:

Project ribbon in WorkBench
Snapshot options in WorkBench

Snapshots can also be created via the command line using c_prj.

When a user selects a snapshot, their access to information, cross references and definitions are determined by the contents of the user’s profile in the database, regardless of whether or not the user has a profile in the current snapshot and regardless of the contents of that user profile (if any) in the snapshot.

Snapshots are deleted from Project Manager or the command line (c_prj).

Metrics in Graphs

Cradle-7.7 includes a new type of graph which shows metric coverage or count of items with different categories set or unset. This is called a metric graph. An example is shown below:

Example Metrics Graph
Example Metrics Graph in Cradle

Header Option in Views

A new Header option is now available in the dialog. This provides a way of showing grouped and coloured headings when output. Example output is shown below:

Example Output showing coloured header
Example output from WorkBench showing a coloured header

New Reports

A new Baseline Summary List report has been included in this release. This outputs each baseline on it’s own row in a table.

The Baseline Summary report has been renamed to Baseline Summary Compact.

A Sort by filter has also been added to both the Baseline List report, Baseline Summary List report and the Baseline Summary Compact report. This provides the option to sort by the baseline name, when the baseline was opened or when the baseline was closed.

Report Details Dialog
Report Details Dialog showing Sort by options

Annular Dial Type in Dashboards

A new dial type has been added to dashboards – Annular %.

Annular Option in Dashboards
Annular Option in Dashboards

This is an annular percentage of a single dashboard bandset within which the KPI resides:

Example Annular dashboard
Example Annular dashboard

Precision Option in Dashboards

A Precision option has also been added to dashboards. This sets the count of numbers displayed around a dashboard dial:

Precision Option in dashboards
Precision Option in dashboards

Test Email Setup

The setup of emails can now be tested from User Preferences by selecting the new Test Email button:

User Preferences showing Test Email button
User Preferences showing Test Email button

Pressing the Test Mail button produces the Mail Test dialog where you choose an email recipient and whether you want to send the test email in plain text.

Mail Test dialog
Mail Test dialog

Please note the only user names shown in the Recipient drop down are Cradle users in the project who have an email address defined in their User Profile.


You must contact 3SL for new Security Code(s) for Cradle-7.7. Cradle-7.7 will not accept Security Codes from Cradle-7.6 or any previous release.

Cradle clients (WorkBench, Web Access, Document Publisher for instance) and server (Cradle CDS) versions cannot be mixed. Therefore, you must upgrade all Cradle installations to 7.7.

Cradle-7.7 databases do not have the same format as Cradle-7.6 databases. Hence the Cradle-7.7 release includes a database converter for the transition from Cradle-7.6 to Cradle-7.7.  Full details are available in the 7.7 release notes, and updated manuals in addition you can always contact .

Single User Products

Please note that there are no maintenance services for single-user Cradle products. Therefore, if you have purchased any of the single-user Cradle-7.6 products:

    • Cradle-RM Desktop
    • Cradle-RM Pro
    • Cradle-SE Desktop
    • Cradle-SE Pro

then you will not be able to request a new Cradle-7.7 Security Code. If you want to update your single-user Cradle system to the new Cradle-7.7 release, then you must buy the new Cradle-7.7 release.

Help with Cradle-7.7

In conclusion, we’re pleased with the new capabilities in Cradle-7.7 most importantly we hope you will benefit by upgrading. If you are not already a customer and would like more information about Cradle, you can download the software and a free evaluation licence, find more on our website, or request a webinar. If you would like to read some independent reviews feel free to use your favourite search engine or take a look at Capterra.

Upcoming Training Courses

We still have places available on our August Requirements Management training course. The dates are 15th to 18th August. This is a great opportunity for small teams, or a couple of new team members to get started with RM and Cradle. Don’t worry if you can’t make the August RM course, we are holding another one in November.

In September we then have our Risk Management course. Learn how to identify, analyse, evaluate, treat and monitor the risks associated with activities or events within your business. This course is designed for project team leaders or managers who administer and manage risks.

To book a place on one of our online courses please click here!

Testing Cradle on additional platforms

With the release of 7.7 coming very soon, we thought we’d test Cradle on additional platforms.

So here’s Cradle 7.7 running on a Steamdeck, in Desktop mode.
Cradle running on Steamdeck

Cradle About screen running on Steamdeck

As SteamOS is based on Arch Linux, our 64 bit Linux version can be installed.

Both the CDS and WorkBench are running on this very capable device. A keyboard and mouse may work better than the on screen keyboard.

If you install the service manager (systemd script) then the Cradle Database Server (CDS) will start on boot up of the Steamdeck, so you might not want to do that if its primarily used for Steam. However, once started the CDS will stay running in the background when you switch to Gaming Mode. If you have others connecting to your CDS then they can continue to work while you improve your hand-eye coordination in your favourite game.

Although Steamdeck is not an officially supported platform, you can see Cradle does indeed run on additional platforms

June 2022 – Newsletter


Pearls of Wisdom

Pearls are the birthstone for the month of June. Pearls are associated with purity, honesty, and wisdom, as in the term “Pearls of wisdom.”

Pearls of Wisdom

That is a description of wise advice, concise pieces of sagacity that are metaphorically as precious as pearls. Originally, pearls of wisdom referred to bits of information or advice that the receiver truly found precious. Today, referring to information or advice one receives as pearls of wisdom is often, but not always, sarcastic, as the phrase is now considered a terrible cliché. The term pearls of wisdom dates back at least to the early 1800s.

Wisdom in Systems Engineering

Wisdom can take various forms of thinking. Strategic wisdom; system wisdom; decision wisdom; creative wisdom and so on. All these forms of wisdom can be utilised if they are organised to work together in a single, integrated solution.  This will get the best results, as all the effort will guide that wisdom to be used systematically to reach the same required goals.

Cradle 7.7 Release

Cradle 7.7
Cradle 7.7 coming soon

We are pleased to announce that the Cradle 7.7 release will be ready at the end of July. We are now in the final testing stages of the new release – watch for news. Those under maintenance will receive this update including the new features for free. Those without maintenance or using single user products from earlier point releases will need to purchase an upgrade to 7.7.

New features coming in this release:

    • Pie charts
    • Metrics in graphs
    • Many small enhancements to documentation
    • New dial type in dashboards – anular percentage
    • Update to DEMO project
    • Enhancements to baseline reports
    • Snapshots
    • Test Mail button added to test mail settings
    • Test Execution UI in Project Setup enhanced
    • Added support for Windows 11
    • Added support for Office 2019 and Office 365

Look out for more information on these enhancements in the future.

Training Courses

Cradle Online Training
Online Cradle Training

We are pleased to announce that we shall be adding new training courses soon. We have a new one day User course and a Modelling course. These will be available on the website shortly.


Regrettably, the price for all variants of Cradle will be increasing by approximately 10% on the 1st of August 2022. All quotes given before then are still valid at the quoted price, even if the purchase takes place after 1st August 2022.

Dual Monitor Issues

Some issues have been detected when running our Toolsuite applications (Document Loader or Document Publisher), e.g. when running dual monitors, with certain scaling settings etc.

Please see this post for how to fix this issue

Social Media



We remembered D-Day and the sacrifice and bravery exhibited on a scale unimaginable to most people today in this Tweet by the MOD Defence HQ




We look forward to more sustainable transport with Siemens Hydrogen Train


We hope that everyone has a prosperous and sunny June. Here’s to a great summer!