STRAKON 2021 (64 Bit) must be installed!

Download and Installation

  1. Click the STRAKON2021Patch4_Revision7.exe file and the Save command.
  2. Select the directory in which you want to save the file.
  3. Click Close.
  4. Click on the saved file STRAKON2021Patch4_Revision7.exe and follow the installation instructions.
  5. Start STRAKON (the user data is now automatically installed).
  6. After the installation the version STRAKON premium 2021 SP1 .4.7 (64 Bit) is available in About STRAKON (menu ?)


Revised themes for Patch 4

3D Modeling / Cube
  • Multi-layer profiles can be fragmented back into the individual objects after edits.
  • Stairs can be created and saved again in the Polish STRAKON version.
  • Negative objects affect only objects in the correct project layers.
  • Saved data visualization files *.sdv can be opened again.

3D Views
  • Modifications in the display of hidden lines and view hatching
  • Modifications in dimension binding of views
  • Crash when dropping views with model references from Virtual Steel has been fixed.

Stair Views
  • The interior winding of a winder stair can be added as a stair view.
  • Dimensions have been added to the outer winding.
  • Correct creation of views with dimensions

  • Cube meshes:
    • Modifications for the representation of the meshes in the 3D views
    • Modifications in laying
    • Concrete covers of meshes in flights can be corrected again.
  • Rebars: Corrections of quantity in bar representation after modifications of leg lengths and quantity.

Project Model
  • Drawings can now be saved to a new work directory without loss.
  • Modifications of reinforcement queries in the 3D views when the cube is open.
  • When you "Save as" the shop drawing, the new Flex-Part with the same name is immediately saved in the drawing.
  • Modifications in the reinforcement display of variable bending shapes in the 3D views
  • The switch position on/off of the project layers are remembered when changing drawings or restarting.
  • Cube reinforcement is now no longer deleted when changing drawings.
  • Items of embedded parts in the cube and drawings were mixed up by patch 3. This has been corrected.

Outputs / Interfaces / Data Export
  • Print: Images in a 3D view are printed back to the PDF file.
  • IFC Import:
    • Sweep objects are now imported as sweep objects.
    • Round or rounded objects are imported as round or rounded.

  • Modifications when importing drawings with reference views
  • Embedded parts: The next free position number is used for embedded parts.
  • Edit: Modifications in the "Copy section" function with mirroring about an axis
  • Unitization: The content of the element drawing is written to the PDF file in the correct position.
  • Settings - Master data - Save as: All entries are saved.


Revised themes for Patch 3

3D Modeling / Cube
  • Stairs:
    • Added joint option at blunt foot for dimensioning in the outer development.
    • The calculation of the treads in the winder stairs has been adjusted.
    • Messages within the dialog and during the calculation activated again
  • Stair views: The view "Development outer" does not change the default settings anymore.
  • Axes:
    • Axes that are in a different z-height are now also displayed in the views.
    • Settings and texts before the axis designation are now saved.
  • Insert 3D embedded part: The definition of main and sub-items works again.
  • 3D embedded parts that are inserted in the Cube of the shop drawing (drawing model) are now also listed correctly in the project schedule.

3D Views
  • Corrections for views with image that were stored rotated.
  • The labeling of the embedded parts is now preserved when the image is switched on in the view.
  • Now a warning message appears when the source view of derived views (New section) are deleted.
  • View with reinforcement: Improvement in updating the views.
  • View with reinforcement: corrections in the display of u shaped rebar

  • Cube meshes:
    • Improvement in reading of placements with round recesses.
    • Corrections in the mesh display when the connection was made to a negative object.
    • Correct laying of transversely bent meshes
    • Correct laying of meshes (ceiling heel)
  • Meshes: The "Close gaps" function now also works for Cube meshes.
  • Rebar: Various corrections in the distorted display of the bar representations

Project Model
  • Cube:
    • When "Saving as" as ifc file, all visible objects and also the 3D reinforcement are now saved.
    • When "saving as" a model reference (*.smr), the entire model including the project structure is now saved.
    • The project structure of an imported ifc file is now adopted.
    • Objects from non-editable partial models can now no longer be assigned to the active partial model.
    • New: "Save partial model as".
  • Correct CPIXML and IFC output from the shop drawing
  • 3D embedded parts are correctly displayed in the embedded parts schedule.

Outputs / Interfaces / Data Exports
  • Flex-Parts Unitechnik output:
    • Embedded parts are now also exported.
    • Correct output of Flex-Parts with protruding embedded parts.
  • CPI output with bent meshes now possible
  • Reinforcement schedules: Corrections in the output of Cube mesh data

  • Performance improvements when reading and changing drawings
  • Drawing administration: drawings from drawing model work directory can no longer be copied and read into project model work directory.
  • Error when reading various drawings from STRAKON 2019 fixed.
  • When installing the full version, all workstation-related reinforcement settings are applied.


Revised themes for Patch 2

3D Modeling / Cube
  • Inserted 2D graphics with circular arcs are correctly resolved in the Cube.
  • Stairway: Crash when closing the dialogue by clicking on OK eliminated.

  • 3D-/Cube-reinforcement representations:
    • Cube meshes: Manually moved item texts keep their position even after updating the views.
    • Cube meshes: The mesh representations of the (bent) meshes now output the real length.
    • Cube meshes: For the bent meshes, the longitudinal bars in the mesh representation are now displayed on the correct side.
    • Cube meshes: Error in the display of the meshes MV corrected.
    • Cube meshes: Correction in the rounding of the dimension values for the item comparison.
    • Cube meshes: Main views with different angle of rotation are queried only once.
    • Cube meshes: Layings of Cube meshes are now also displayed in 3D views if the meshes are not viewed orthogonally.
    • Reinforcement text: The setting of the function "Overlain" is now remembered.
  • Rebar
    • Transfer of the additional texts in the bar representation is offered correctly again.
  • Meshes
    • The mesh representation of a bent Cube mesh can now also be generated via the function "MR polygon".

Outputs / Interfaces / Data Exports
  • Unitechnik:
    • Data file for bauBIT is generated correctly again.
    • Unitization: Unitechnik file is generated correctly again for continuous openings.
  • CPIXML: Variables in the embedded part schedule description are now transferred expanded.
  • Print: Formatted texts, among others also labels of objects/Flex-/embedded parts, which are centred or aligned to the right, are no longer output shifted to HPGL.

  • Improved performance when changing drawings with many Flex and embedded parts.
  • Read segment / STRAKON 2D clipboard: Crash during insertion, if Cube reinforcement is included, eliminated. Cube reinforcement is no longer considered for these functions.
  • Drawings from STRAKON 2020 that contain orthogonal axes in the Cube in one direction only can be read again.

Project Model
  • 3D-/Cube-reinforcement representations: 3D reinforcement is now displayed in the 3D views.
  • Cube: When editing Flex-Parts, the objects of the non-active submodels are now also displayed.
  • Shop drawing: The use of the drawing text variable !FLEX is now possible.
  • Reinforcement schedules: The correct total number of several identical reinforcement items is now also recorded via different part models.


Revised themes for Patch 1

3D Modeling / Cube
  • Cube axes: Alignment of the labeling of the radial axes has been corrected.
  • Stairway:
    • Walls on negative level keep their level when taken over as Flex-Parts.
    • All points of the individual components are snapped again.

3D Views
  • Images from the Cube can be corrected again.

  • Reinforcement: Leg texts on bar representation are retained when the drawing is saved.
  • When updating the bar representation of 3-dimensional Cube rebar, the mandrel diameter dimensions are retained.
  • Cube reinforcement:
    • Rebar: The concrete cover of a laying field can be corrected on all sides.
    • Meshes: Newly created design meshes can be installed in the Cube.
  • Displays of 3D/Cube reinforcement:
    • Cube meshes main views can now be filed as standard or rounded out representations.
    • The item numbers of Cube meshes main views are now updated correctly.
    • Rebar and meshes representations that do not have a main or secondary view are now preserved.
    • Cube meshes from STRAKON 2020 are now displayed when opening the drawings in STRAKON 2021.
    • Cube rebar >Delivery length: When updating the display, the rebar spacing remains in the reinforcement text.

Outputs / Interfaces / Data Exports
  • IFC export: Crash when creating an ifc file eliminated.
  • Printer setup: The pre-text for the driver favorite list has been corrected.
  • Output Gesys: The output of unitization drawings works again.
  • Bending schedules: Mandrel diameter dimensions of 1:1 bar representations (Cube rebar, planar creation) are transferred to the schedule.

  • Accessories: Program crash when installing older external files fixed.
  • Item drawing: Additional texts are now retained when copying items.
  • Note text in the empty drawing Cube content contains the info of the model type: project model drawing or drawing model drawing.
  • Drawing with defective axes in the Cube: Program crash eliminated.
  • The issue of connection between partial model (Cube reinforcement) and drawing (views with displays of Cube reinforcement) has been improved.
  • For work directories on USB media (stick/hard disk), the Cube content is now displayed correctly.