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Newsletters

The newsletters Struct4U sent to its users since 2015: new versions, new modules, news, training and events. Each one as it went out; the programs and prices have changed since.

118 newsletters

2026

  1. Notice

    Adjustments and rearrangement of rates

    Struct4U changes its Pay Per Use and annual license rates as of October 1 and lists the main new features added since last October.

    • XFEM4U
    • XFrame2D
    • XBeam2D
    • XConstruct
    • XSpreadsheets

  2. Release

    Fire resistance of steel

    XFrame2D 2027.6 and XBeam2D 2027.5 add the calculation and check of the fire resistance of steel structures.

    • XFrame2D
    • XBeam2D

  3. Release

    Fire resistance of steel / Export to IFC.

    XFEM4U 2027.4 adds a fire resistance check for steel structures and an IFC export for use in BIM software.

    • XFEM4U

  4. Release

    XFrame2D

    XFrame2D 2027.4 fixes a programming error that made the calculation of tension and compression beams incorrect in certain situations.

    • XFrame2D

  5. Release

    XFrame2D / XBeam2D

    XFrame2D 2027.3 and XBeam2D 2027.3 bring a new, faster solver, chessboard loading, a refined lateral stability check and perpendicular snapping.

    • XFrame2D
    • XBeam2D

  6. Release

    Integration with MS Excel / Export to Tekla.

    XFEM4U 2027.3.01 adds export and import of model data via MS Excel and the export of an XFEM4U model to Tekla Structures.

    • XFEM4U

  7. Release

    XConstruct - Soil profile New Fire resistance/ Timber column

    XConstruct 2027.3 adds NEN 9997-1:2025, user-defined soil profiles in the Foundation pile module and new modules Fire resistance and Timber column.

    • XConstruct

  8. Release

    .NET 10 / Beamloads / Views

    XFEM4U 2027.2.01 uses .NET 10 and adds a startup dialog box, a table of beam loads per beam and a wizard that generates views.

    • XFEM4U

  9. Release

    XFrame2D / XBeam2D / XConstruct

    Release 2027.2 of XFrame2D, XBeam2D and XConstruct replaces 2027.1 after problems with .NET 10; uninstall the old versions manually first.

    • XFrame2D
    • XBeam2D
    • XConstruct

  10. Release

    XFrame2D / XBeam2D / XConstruct

    Releases 2027.1 of XFrame2D, XBeam2D and XConstruct: .NET 10, a startup dialog box, the latest Dutch annex to EN 1992-1-1 and adjustable stirrup distances.

    • XFrame2D
    • XBeam2D
    • XConstruct

2025

  1. Release

    XConstruct - New Shear Connection / .NET 10

    XConstruct 2026.7 uses .NET 10 and adds a shear connection module, two moment connections with the beam on the column and the latest Dutch annex.

    • XConstruct

  2. Release

    XFEM4U / XFrame2D / XBeam2D / XConstruct

    XFEM4U 2026.3, XFrame2D 2026.2, XBeam2D 2026.2 and XConstruct 2026.6 can now generate output in MS Word format (.docx).

    • XFEM4U
    • XFrame2D
    • XBeam2D
    • XConstruct

  3. Notice

    Adjustments and rearrangement of rates

    Struct4U adjusts its rates as of October 1, 2025: new Pay Per Use and annual license prices for Basic 2D, Advanced 2D+3D and Premium 2D+3D.

  4. Release

    XFEM4U / XFrame2D / XBeam2D

    XFEM4U 2026.2, XFrame2D 2026.1 and XBeam2D 2026.1 add two-letter keyboard shortcuts for almost all commands.

    • XFEM4U
    • XFrame2D
    • XBeam2D

  5. Release

    Export to IDEA StatiCa / Import from TEKLA / automatic meshing

    XFEM4U 2026.1.01 adds export to IDEA StatiCa, import from Tekla, selection of overlapping objects and automatic meshing that can be disabled.

    • XFEM4U

  6. Release

    XConstruct - New Pile Bearing Capacity

    XConstruct 2026.2 fixes errors in the Pile Bearing Capacity module: pile class factor αp, reading GEF files and downdrag.

    • XConstruct

  7. Release

    XConstruct - New Pile Bearing Capacity

    XConstruct 2026.1 adds the module Pile Bearing Capacity, old reinforcement diameters, more loads for timber purlins and extra brick grades for masonry.

    • XConstruct

  8. Training

    Trainings

    Invitation to the online trainings Basic Training XFEM4U and Parametric design in XFrame2D and XFEM4U, in February and March 2025.

    • XFEM4U
    • XFrame2D

  9. Notice

    Freelance Sales Manager

    Vacancy: Struct4U is looking for a Freelance Sales Manager on a commission basis; the development team has recently been expanded further.

2024

  1. News

    Thank you!!

    Team Struct4U thanks its users for their input over the past year and wishes them happy holidays and a happy new year.

  2. Release

    Export to AutoCAD / Soil pressure / GNL Analysis improved

    XFEM4U 2025.4 adds DXF export of reinforcement and pile positions, soil pressure diagrams, side reinforcement bars and a more stable GNL analysis.

    • XFEM4U

  3. Release

    XFrame2D / XBeam2D

    XFrame2D 2025.5 and XBeam2D 2025.4 extend snapping, repeat the last command, accept old reinforcement diameters and correct the soil pressure display.

    • XFrame2D
    • XBeam2D

  4. Release

    XFEM4U - Python

    The Python library for XFEM4U has been simplified and extended; the manual, the Python sources and a few examples can be downloaded.

    • XFEM4U

  5. Release

    XFrame2D / XBeam2D

    XFrame2D 2025.4 and XBeam2D 2025.3 add an adjustable buckling length, soil pressure diagrams, side reinforcement bars and a company logo in reports.

    • XFrame2D
    • XBeam2D

  6. Training

    Training courses

    The online Basic Training XFEM4U via Microsoft Teams is repeated on 18 and 23 October 2024; it takes 4 hours and costs € 325 excl. VAT per participant.

    • XFEM4U

  7. Release

    User defined materials / Pile cap with 2 piles / Cavaty wall/ Your logo in reports

    XConstruct 2025.1.01 adds user defined materials, side reinforcement, modules for a pile cap with 2 piles and a cavity wall, and a logo in reports.

    • XConstruct

  8. Release

    Code design check / UI expanded / Logo in reports

    XFEM4U 2025.3.01 makes the code design check optional and adds a Select menu, splitting and merging of beams and a company logo in reports.

    • XFEM4U

  9. Notice

    Adjustment and rearrangement of our rates

    From 1 October 2024 Struct4U applies new rates, with separate prices for the 2D programs and for 3D (XFEM4U), for Pay Per Use and for licenses.

    • XFEM4U
    • XFrame2D
    • XBeam2D
    • XConstruct

  10. Training

    Struct4U NL Academy Parametric Design with Excel and Python

    Invitation to the training Parametric design with Excel and Python on Thursday 4 July 2024, in Zwijndrecht or online via MS Teams.

  11. Release

    XFrame2D

    A patch for XFrame2D restores the headers and footers; new are determining intersections, extending and dividing beams and an extended Excel link.

    • XFrame2D

  12. Release

    New solver / 64 bits / 3d texts / Display Options

    XFEM4U 2025.2.01 has a new, faster solver, is fully 64-bit, renders 3D texts better and hides the Display Options screen automatically.

    • XFEM4U

  13. Event

    Open day 24 May 2024

    Invitation to the annual Struct4U open day on Friday 24 May 2024 at Van der Valk Hotel Houten, with four talks and drinks afterwards.

  14. Release

    XFrame2D / XBeam2D

    XFrame2D 2025.1 and XBeam2D 2025.1 bring user defined materials, a highlighted decisive check in the output, parametric models from Excel and an error report.

    • XFrame2D
    • XBeam2D

  15. Release

    User defined materials / Navigation Cube / Construction parametrically using Microsoft Excel

    XFEM4U 2025.1.01 adds user defined materials, a Navigation Cube, parametric modelling from Microsoft Excel and an automatic error report.

    • XFEM4U

2023

  1. News

    Last year / Preview coming year

    Year-end letter: a review of 2023, the plans for 2024 such as a 64-bit XFEM4U with a new solver, IFC and an API, and the rates for 2024.

    • XFEM4U
    • XFrame2D
    • XBeam2D
    • XConstruct

  2. Release

    New masonry modules / New look and feel

    XConstruct 2024.2 adds two masonry modules, for walls subjected to vertical loading and to concentrated loads, and a new look and feel.

    • XConstruct

  3. Release

    Patch version XFrame2D

    Patch 2024.2.02 of XFrame2D fixes a user-interface bug where the end node of a newly drawn beam was not the node clicked, and brings other improvements.

    • XFrame2D

  4. Release

    Patch version XFEM4U

    A patch version of XFEM4U 2024.3 fixes problems with copying in the user interface.

    • XFEM4U

  5. Release

    XFrame2D / XBeam2D

    XFrame2D and XBeam2D 2024.2: dragging beam loads with the mouse, new look and feel, XML export/import, grid lines and levels, multiple copies and mirror.

    • XFrame2D
    • XBeam2D

  6. Release

    Hinged plates / Guide lines / New look and feel

    XFEM4U 2024.3 adds hinged plate edges, guide lines, a new look and feel of the user interface and a ULS/SLS switch in the reinforcement dialog.

    • XFEM4U

  7. Release

    XFEM4U / XFrame2D / XBeam2D / XConstruct

    New releases: XFEM4U 2024.2 with beams on an elastic soil, XConstruct 2024.1 with wood framing wall and roof spout modules, XFrame2D and XBeam2D 2024.1.

    • XFEM4U
    • XFrame2D
    • XBeam2D
    • XConstruct

  8. Release

    Patch version XFEM4U

    Patch 2024.1.03 of XFEM4U fixes a user-interface bug: when copying, coinciding nodes were no longer merged.

    • XFEM4U

  9. Release

    Water accumulation / Section Box

    XFEM4U 2024.1 adds the check of water accumulation on flat roofs, a Section Box, Match properties and snapping perpendicular to a beam.

    • XFEM4U

  10. Event

    Struct4U Open Day 2023

    Invitation to the Struct4U Open Day on 14 April 2023 in Houten, with water accumulation in 3D and parametric design as topics.

  11. News

    Struct4U Knowlegde Center

    Struct4U has added the Struct4U Forum to its Knowledge Center, next to the Struct4U Wiki with manuals, tutorials and technical backgrounds.

2022

  1. News

    Last year / Preview coming year

    Year-end letter: a review of 2022, plans for 2023 such as water accumulation in XFEM4U and new XConstruct modules, and the rates for 2023.

    • XFEM4U
    • XConstruct

  2. Release

    Rigid link / Extend beams

    XFEM4U 2023.2 adds a rigid link element, extending beams to their intersection point and a correction factor per beam for surface loads.

    • XFEM4U

  3. Release

    XFEM4U / XFrame2D / XBeam2D / XConstruct

    XFEM4U, XFrame2D, XBeam2D and XConstruct 2023 add an optimized lateral torsional buckling check, AISC 360-16 in XFEM4U and a student license.

    • XFEM4U
    • XFrame2D
    • XBeam2D
    • XConstruct

  4. Release

    Load generator / XFEM4U viewer

    XFEM4U 5.12.01 adds a load generator for wind and snow loads according to the Eurocode, a free XFEM4U viewer and a new logo.

    • XFEM4U

  5. Release

    Tapered profiles / non-prismatic beams

    XFEM4U 5.11.01, XFrame2d 3.12.01 and XBeam2d 3.07.01 add tapered profiles (non-prismatic beams).

    • XFEM4U
    • XFrame2D
    • XBeam2D

  6. Release

    XFEM4U - Surface loads

    XFEM4U patch 5.10.02 fixes the generation of beam loads from surface loads with load bearing in one direction.

    • XFEM4U

  7. Release

    XFEM4U - Surface loads on slabs and walls / DXF underlay

    XFEM4U 5.10.01 adds surface loads on slabs and walls, a DXF file as an underlay and copying of beam loads.

    • XFEM4U

2021

  1. News

    XFEM4U - Output calculation reinforcement

    An article in Cement 2021/8 describes the reinforcement design method for plates and shells that XFEM4U 5.09.01 shows step by step.

    • XFEM4U

  2. Release

    XFEM4U - Output calculation reinforcement

    XFEM4U 5.09.01 adds the detailed reinforcement calculation for plates, walls and shells to the output and improves moving and copying.

    • XFEM4U

  3. Training

    Online trainings

    The online Basic Training XFEM4U is repeated on 8 and 10 December via Microsoft Teams.

    • XFEM4U

  4. Notice

    Your experiences with Struct4U

    Struct4U asks customers to write briefly about their experiences, for publication on the website.

  5. Notice

    Safe online

    Struct4U stops supporting TLS 1.0 and 1.1; the latest releases are needed to keep purchasing credit online securely.

    • XFEM4U
    • XFrame2D
    • XBeam2D
    • XConstruct

  6. Release

    XFEM4U - Pile Optimization / Color / Zoom selection

    XFEM4U 5.08.01 adds graphical dragging of supports in pile optimization, smooth or banded colors and a Zoom selection option.

    • XFEM4U

  7. Release

    XFEM4U - Navigating / Zoom extend / Visibility / Copy

    XFEM4U 5.07.01 brings 3D navigation as in Revit or Tekla and improves Zoom extend, Visibility, Search and Copy.

    • XFEM4U

  8. Release

    XConstruct - XColumnBase and XColumn

    XConstruct 1.05.01 adds XColumnBase and XColumn as new modules; the stand-alone programs will disappear.

    • XConstruct
    • XColumn
    • XColumnBase

  9. Notice

    Your wishes top 5

    Struct4U announces an upcoming XFEM4U release and asks customers to send in five wishes in order of priority.

    • XFEM4U

  10. Training

    Online trainings

    The online Basic Training XFEM4U via Microsoft Teams is repeated on 30 June and 2 July 2021; 4 hours, € 225 excl. VAT per participant.

    • XFEM4U

  11. Release

    XFEM4U - Soil pressure / Bill of materials / Pile optimization

    XFEM4U 5.06.02 adds soil pressures in colour for slabs on elastic soil, a bill of materials, pile optimization for beam grids and output of visible parts.

    • XFEM4U

  12. Training

    Online trainings

    Invitation to the online Basic Training XFEM4U via Microsoft Teams on 26 and 28 May 2021; 4 hours, € 225 excl. VAT per participant.

    • XFEM4U

  13. Release

    XBeam2d - NEN 8700

    XBeam2d 3.06.01 adds the (lower) partial load factors of NEN 8700 for the renovation and inspection of existing buildings.

    • XBeam2D

  14. Release

    XFrame2d - Loadgenerator / Quick and easy input

    XFrame2d 3.10.02 adds a load width per beam in the load generator and direct input of relative or absolute coordinates with the space bar.

    • XFrame2D

  15. Release

    XFEM4U - Calculation reinforcement / Line loads / Spy

    XFrame3d is renamed XFEM4U; the new version calculates reinforcement in plates, walls and shells and adds line loads via dummy beams and a new spy.

    • XFEM4U
    • XFrame3D

  16. News

    Article in Beton&Staalbouw

    The magazine Beton&Staalbouw (No. 01 2021) has an article about Struct4U on pages 30 and 31.

  17. Release

    XFrame2d

    Version 3.09.01 of the 2D framework program XFrame2d is available; the release notes give an overview of all changes.

    • XFrame2D

2020

  1. Release

    XFrame3d - Deflection

    XFrame3d 5.04.01 adds cross section lines in plates, a deflection check for beams, import of other XFrame3d models and direct coordinate input.

    • XFrame3D

  2. News

    Struct4U pitch

    Struct4U has made a white board animation of 1.5 minutes that explains its Pay Per Use concept; it is also on the website.

  3. Release

    XFrame2d / XBeam2d

    XFrame2d 3.08.01 and XBeam2d 3.05.01 now also check members for additional and final deflection, with camber for steel and creep for timber.

    • XFrame2D
    • XBeam2D

  4. Release

    XFrame3d - Hybride plate element

    XFrame3d 5.03.01 adds a triangular hybrid plate element with more accurate shear forces and a Visibility option that shows only the selection.

    • XFrame3D

  5. Release

    XConstruct - New modules

    XConstruct 1.04.01 adds modules for braced connections, pin connections and timber floors, plus a shear force check in the moment connection.

    • XConstruct

  6. Release

    XFrame3d - Earthquake and dimension lines

    XFrame3d 5.02.01 adds an earthquake calculation according to NPR 9998+C1:2020, dimension lines and graphical changing of stirrups.

    • XFrame3D

  7. News

    XFrame3d - Dimension lines

    The next release of XFrame3d, scheduled for mid-July 2020, will make it possible to draw dimension lines.

    • XFrame3D

  8. News

    XFrame3d - Earthquake calculation

    XFrame3d will be extended with an earthquake calculation according to NPR 9998+C1:2020; the module is planned for release in mid-July 2020.

    • XFrame3D

  9. Release

    XBeam2d

    XBeam2d 3.04.01 lets you change the stirrup spacing graphically via the dimension line and save the output selection for each new input.

    • XBeam2D

  10. Release

    XFrame3d

    XFrame3d 5.01.01 adds holes in plates and elastically supported plates, and shows all node results of a plate in a pop-up window.

    • XFrame3D

  11. Release

    XFrame2d

    XFrame2d 3.07.01 adds the shear force check to the beam-column moment connection and refines the lateral buckling check for steel.

    • XFrame2D

  12. Release

    XFrame3d

    XFrame3d patch 5.00.03 improves the mesh connection between adjoining plates and takes nodes within the plate contour into the mesh.

    • XFrame3D

  13. Release

    XFrame3d

    XFrame3d 5.00.02 can now also calculate plates such as floors and walls, and its solver is faster and handles models of more than 100,000 elements.

    • XFrame3D

2019

  1. Notice

    License server

    The problems with the license server have been solved; the latest versions of the programs can be installed via the links.

    • XFrame2D
    • XBeam2D
    • XConstruct
    • XFrame3D
    • XColumn
    • XColumnBase

  2. Notice

    malfunction November 4, 2019

    The license server was hacked in the night before 4 November 2019; a temporary work-around with new downloads of the programs is available.

    • XFrame2D
    • XBeam2D
    • XConstruct
    • XFrame3D
    • XColumnBase

  3. Notice

    malfunction November 4, 2019

    Notice of a malfunction of the license server on 4 November 2019, which temporarily makes it impossible to use the software.

  4. Release

    XFrame3d

    XFrame3d 4.10.01 adds a find function for nodes, beams and profiles and can display enveloping N-, D- and M-lines.

    • XFrame3D

  5. Notice

    Unique offer for all building and housing inspection departments

    Offer for municipal building and housing inspection departments: unlimited use of all Struct4U software for a fixed amount of € 990 per year.

  6. Release

    XFrame2d / XBeam2d

    XFrame2d 3.06.01 and XBeam2d 3.02.01: a more compact report of envelope member forces and improved editing of distances via the dimension line.

    • XFrame2D
    • XBeam2D

  7. Event

    The National Steel Construction Day

    Struct4U has stand 41 at the Nationale Staalbouwdag, the Dutch national steel construction day, in Rotterdam on Tuesday 8 October 2019.

  8. Release

    XFrame3d

    XFrame3d 4.09.01 optimises the stirrup design, makes the output of envelope beam forces more compact and improves editing via the dimension line.

    • XFrame3D

  9. Notice

    Adjustment hourly rate

    Struct4u raises its hourly rate by € 0.50 as of 1 September 2019.

  10. Release

    XFrame3d

    XFrame3d 4.08.01 adds an EN 1995-1-1 timber module and improves the output, the beam-column moment joint and the XML export.

    • XFrame3D

  11. Release

    XFrame2d

    XFrame2d 3.05.01 improves the output with enveloping results and improves the beam-column moment joint.

    • XFrame2D

  12. Release

    XColumnBase

    Version 1.16.02 of the column base plate program XColumnBase is available.

    • XColumnBase

  13. Release

    XFrame3d

    XFrame3d 4.07.02 adds surface loads, from which beam loads are generated, and a function that determines the intersections of beams.

    • XFrame3D

  14. Release

    XFrame3d

    XFrame3d 4.06 makes automatic backups, draws loads to scale and solves a memory problem in large models.

    • XFrame3D

  15. Release

    XFrame2d / XBeam2d

    XFrame2d 3.04 and XBeam2d 3.01 add beams on elastic soil, separate lateral supports per flange and automatic splitting of beams at nodes.

    • XFrame2D
    • XBeam2D

  16. Release

    XBeam2d version 3.01

    XBeam2d 3.01 adds elastic soil per member, automatic division of members into sub-members and separate lateral torsional buckling distances per flange.

    • XBeam2D

  17. Release

    XFrame2d version 3.04

    XFrame2d 3.04 adds elastic soil per member, automatic division of members into sub-members and separate lateral torsional buckling distances per flange.

    • XFrame2D

  18. Release

    XFrame3d version 4.05

    XFrame3d 4.05 adds an unlimited number of saved views and fully integrated beam-to-column joints according to EN 1993-1-8.

    • XFrame3D

2018

  1. Release

    Beam-to-column moment connections in XFrame2d

    XFrame2d 3.01 integrates beam-to-column moment connections according to NEN-EN 1993-1-8 and uses their rotational stiffness in each iteration step.

    • XFrame2D

  2. Release

    3D frames XFrame3d

    XFrame3d 3.07 can calculate with composite sections, and the hall wizard now also generates snow and wind loads according to the Eurocode.

    • XFrame3D

  3. Release

    XFrame3d - 3D Frames

    XFrame3d 3.06 adds a wizard that generates the geometry of a hall, plus bookmarks, a table of contents and a drawing in the report.

    • XFrame3D

  4. Release

    2D Frames / Beams - Composite sections

    XFrame2d 2.08 and XBeam2d 2.08 can calculate with composite sections and add bookmarks and a table of contents to the report.

    • XFrame2D
    • XBeam2D

  5. Release

    XFrame3d - 3D Frames

    XFrame3d 3.05 automatically divides members into sub-members, draws faster and can reduce the torsional stiffness of concrete beams.

    • XFrame3D

2017

  1. Release

    2D frames - Envelopes

    XFrame2d 2.07 can draw envelopes of the N, V, M and displacement diagrams; XBeam2d 2.07 is also available.

    • XFrame2D
    • XBeam2D

  2. Release

    Composite section in XConstruct - the toolbox for the structural engineer -

    XConstruct has been extended with the Composite section calculation: section properties of composite sections of steel and timber.

    • XConstruct

  3. News

    XConstruct - toolbox for the structural engineer

    Struct4U launches XConstruct, a toolbox for the structural engineer with calculation modules for steel and concrete.

    • XConstruct

  4. Release

    New version of XFrame3d

    XFrame3d 3.03 is available, with a steel optimisation module and a concrete module for beam grillages.

    • XFrame3D

  5. Release

    Concrete beam grillage in XFrame3d

    XFrame3d can now also design concrete beam grillages (foundations on piles), including supplementary reinforcement and stirrups.

    • XFrame3D

  6. Notice

    New versions and new pricing

    XFrame2d 2.06 and XBeam2d 2.06 are available, with a steel optimisation module; from 1 June 2017 a single rate of €3.00 per hour applies.

    • XFrame2D
    • XBeam2D
    • XFrame3D

  7. Release

    2D frames - Load generator

    XFrame2d 2.05 has a load generator for wind and snow loads according to the Eurocode; XBeam2d 2.05 is also available.

    • XFrame2D
    • XBeam2D

2016

  1. Release

    3D frame program - XFrame3d including steel module according to NEN-EN 1993-1-1

    Version 3.02 of the 3D frame program XFrame3d is available; the release notes give an overview of the changes.

    • XFrame3D

  2. Release

    3D frame program - XFrame3d including steel module according to NEN-EN 1993-1-1

    XFrame3d has a renewed interactive 3D visualisation module, first shown at the National Steel Construction Day in Amsterdam.

    • XFrame3D

2015

  1. News

    XColumnBase - Column base plate program according to CUR/BmS report 10 (Column base plate connections)

    The new column base plate program XColumnBase has been released; it follows CUR/BmS report 10 and checks the weld according to NEN-EN 1993-1-1.

    • XColumnBase

  2. Release

    New update of the concrete column program - XColumn

    A new update (version 1.13) of the concrete column program XColumn is available.

    • XColumn

  3. News

    3D frame program - XFrame3d including steel module according to NEN-EN 1993-1-1

    The new 3D frame program XFrame3d has been released, with an integrated steel module according to NEN-EN 1993-1-1.

    • XFrame3D

  4. Release

    New version of XColumn

    A new update (version 1.12) of XColumn is available.

    • XColumn

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