Attention! Database jump

Plans that were edited and saved as of Service Pack 1 with the Bridge/Tunnel Designer or Meshes in the Cube (only new Cube reinforcement) are no longer compatible with version 2020 to 2020.5.


STRAKON 2020 SP1 (64 Bit) must be installed!

Download and Installation

  1. Click the STRAKON2020SP1Patch4.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 STRAKON2020SP1Patch4.exe and follow the installation instructions.
  5. Start STRAKON (the user data is now automatically installed).
  6. After the installation the version STRAKON premium 2020 SP1 .4.2 (64 Bit) is available in About STRAKON (menu ?)


Revised themes for Patch 4

3D design / Cube
  • Cuboid: Cuboids that are not constructed parallel to the axis retain their position after the function is terminated.

3D views
  • New section: Correct display of the polygonal section line

  • Cube reinforcement:
    • If the plan is saved using "Save as" or a Flex-Part is exploded, the cube reinforcement is now preserved, even if it is connected to a negative or displacement object.
    • Cube meshes: Free meshes can be moved when the alternative display is activated
  • 3D reinforcement views:
    • Location of meshes in the 3D view revised.
    • Free bending shape from a 3D embedded part is now displayed again.
    • Correction of cube meshes via pointer command "C", e.g. mesh text, is possible again.

Outputs/Interfaces/Data exports
  • Import IFC: Objects are again scaled only once during import

  • World coordinates: Fix error in the labeling in the drawing


Revised themes for Patch 3

3D design / Cube
  • Insert - 3D embedded part: Faster display of the additional icon toolbar

3D views
  • Crash when updating the views fixed
  • Labeling: The labeling of the Flex-Parts is displayed correctly again.

  • Cube reinforcement: When inserting a negative object at the connection surface of a Cube reinforcement, this Cube reinforcement now remains.
  • 3D reinforcement views: After automatically duplicating shop drawings, the 3D reinforcement views of the Cube reinforcement contained in the Flex-Parts are displayed correctly again when updating.
  • Meshes: Input of an additional text for CV laying now without crash.
  • Rebar/meshes: After Cube changes, the reinforcement connection is also correctly adjusted in the "New section" view.

Outputs/Interfaces/Data exports
  • Publish - IFC: The set path for the CPI formatted data is taken into account again.
  • Export 3D PDF: Optimization when exporting large models to 3D PDF files.

  • Accessories - Load segment: Current work directory is retained when loading segments from another work directory.
  • Drawing administration: Optimization and thus acceleration of the automatic drawing take over in drawing administration.
  • Open drawing/changing drawing: Increased speed through optimized reading of 3D embedded parts
  • Cause for arbitrary program crashes removed.


Revised themes for Patch 2

3D design / Cube
  • Flex-Parts:
    • The name may again contain a space before the file extension.
    • Project layers of individual objects are no longer stored in the Flex-part.
  • Terrain models and routes to be imported without project layer are added to the active project layer.
  • Insert graphic: the defined reference point from the drawing is retained for the insert
  • Switch position for shop drawing relevant embedded parts is noted when the detailing is changed.
  • Model references with long file names as well as a dot in the file name can now be inserted into the model.
  • 3D embedded parts:
    • The name may again contain a space before the file extension.
    • Embedded part profile: Inserting rotated profiles is now possible.

3D views
  • Correct display of the section arrows in the function "New section"
  • Parts that are relevant to the shop drawing are now also displayed after restarting STRAKON.

Bridge construction
  • Various machining operations in the Bridge/Tunnel Designer module, as well as in curve section

  • Cube rebar:
    • Laying field - U shaped rebar: Correction of the leg lengths via Edit now possible.
  • 3D reinforcement views:
    • Cube meshes made of Flex Parts are now displayed correctly.
    • Virtual representation when insert the cube meshes is now correctly displayed in rotated views.
    • Main views of cube meshes are now displayed completely.
  • Copy reinforcement: Insert the bar position several times in a row no longer leads to internal errors, e.g. multiple insert in the 3D reinforcement views
  • Meshes:
    • Drawings from STRAKON 2019 again the correct amount in the meshes representation of the design meshes
    • Crossbars of the second main view are displayed on the correct side.

Interfaces / Data delivery
  • PXML data output: machine allocation works with machine names of different lengths
  • IFC import/export: Various processing

  • Element drawing: Contents of the mesh total shedules are displayed correctly, even if part list is active.
  • Report: The area value of double walls in "Steel list per element" is displayed correctly again.


Revised themes for Patch 1

3D design/Cube
  • Axes: The settings of the axes are now retained when the plan is changed.
  • Insert IFC: Invalid surfaces are now read over.
  • NEW: Rooms are now handled in accordance with IFC (Room layer created automatically if necessary)

3D views - new section
  • Sectional arrows point in the right direction again
  • Further diverse adaptations

  • Cube reinforcement:
    • Correct bar representation for bending shapes with 180° hooks.
    • Multiple bar representations with correct number via SmartClick are now possible.
  • 3D reinforcement views: Error when querying the cube reinforcement fixed.

2D steel construction design
  • You can change steel construction profiles again.

  • Sandwich wall with insulation: Unitechnik file is written correctly again.

  • PDF files will be printed correctly in color again if the definition of the target path contains an umlaut.
  • The option "Only write IDs of labeled Flex parts" is again correctly implemented when creating the 2D PDF file.

  • 3D segment drawings from versions <=STRAKON 2016, you can open them again (3D data are no longer resolved) and also save drawings as cube model.

Extract of the revised topics / innovations in Service Pack 1

Revised topics

  • Index schedule: If the description text is longer than the fixed column width, the height of the line is increased accordingly.
  • Plan "Cube model": Flex-Parts now act as deduction objects on the standard walls in the plan.

  • Mirror section: Angel dimensions with free text position are now mirrored correctly.

2D design
  • Sectioning line: description text can be changed again with pointer command "U"

3D design
  • 3D-Sichten
    • New Section: Correct orientation/position of the section line in the 3D view
    • Correct creation of the view using the function "New Section" if the definition of the upper and lower edge of the cut is skipped during creation.
    • Pattern hatching is rotated with the rotated 3D view
  • Create stairs: The intersection of the coverings has been improved for angled stairs
  • Stair views: Position of the dimensions in the stair views has been corrected
  • Create Flex-Parts: Creation as a body of rotation with more than 3 layers possible again

  • Tooltip: Part type and object type of wall openings are displayed correctly.
  • Model reference can be edited again if the cube window was started when opening/changing plans.
  • Components - Save selection
    • 3D embedded part: When saving incl. replacing, the selected copy default sample data are now implemented correctly.
    • Flex-Part: the project structure layer is no longer saved to the Flex-Part
  • Insert - Embedded part profile
    • The reference point for "Length based on entry" is set correctly again.
    • The mirroring around the axis is now correctly implemented.
  • Common sample data of Flex-Parts can be changed again.
  • IFC reference: The material assignment is now again only made once when the IFC file is read in.

  • Rebar
    • Correct bar lengths when laying the area with different position numbers and bending form lengths.
    • Existing cube reinforcement in the drawing is now taken into account when positioning 2D built-in parts with bar steel
  • Design meshes: Corrections regarding the display in the cube and for PXML export
  • Reinforcement schedules
    • In the schedule "Individual rebar" the correct individual weight of an item is evaluated.
    • Schedule "Bending shapes (indication)" according to "British Standard" is now displayed correctly
  • 3D reinforcement views: Very short side view lines (<2.0ds) are now cut to "Side view cut".
  • 3D reinforcement in general
    • Cube: Correct representation of a from-to laying in the cube even with negative leg numbers.
    • Cube: Correct representation of meshes when laid on sloping edge and existing main view

  • Print - PDF: Correct display of line thickness if there are several reference views in the section
  • DWG import: Simultaneous modification of multiple selected lines in the assignment dialogs
  • DWG export:
    • Dimensions are correct again
    • Circles are exported correctly again.
  • CPI XML: Preceding control characters in the additional text of the 3D reinforcement are ignored for the export.

  • 3D design: The switch position for "Import visible objects for derived sections" is now applied when saving the settings
  • XML list templates: The command "orderby" for sorting column entries can now be used

  • 3D embedded part: The user-defined Item text from the data dialog is now implemented in the labelling of the embedded parts

New features

  • Modify section: New selection "3D views" and "Labeling" in the function toolbar

3D design
  • Settings: Specification for the calculation for the measurement of areas and volumes
  • 3D views: Optional with display of the image in the background of the 3D view
  • Flex-Parts: Selection in "Labeling schedule" extended with "Sum of part type"

  • Cube reinforcement
    • Rebar: New input and editing functions
    • Meshes: Laying as an area or individually of unbent meshes and first associated modifications
  • 2D objects - Axes: Orthogonal grid display in the Cube
  • Insert Flex-Part/3D embedded parts: Sample data can be opened and modified before placement.
  • Edit: Optional simplified or conventional mode in the functions "Slope" and "Slope areas"
  • Components - Edit: New "Visible" function in the "Display" group
  • Status bar: New input type "Freeze view"
  • Measure: Write the measurement result to the file measurement-result.txt and open it directly
  • Export to drawing as 3D view: New selection "With WCS"
  • View – Display: Show/hide embedded parts relevant to shop drawing

  • 3D reinforcement views: Added more settings in the function toolbar

  • 3D embedded parts: Sample data extended by the standard property "Only relevant to shop drawing"

Drawing data
  • Info button for the project model


Revised themes for Patch 5

(Administrative) Drawing administration
  • Edit drawing data: Edited data is immediately displayed in drawing administration.

2D design
  • Clothoids: Axis from IBM files are now correctly read and placed as clothoids.

  • Cube reinforcement: free bending shapes with >2 legs can be created again
  • Embedded part profile:
    • For Flex-Parts with integrated embedded part profile the embedded part position number remains the same when restarting STRAKON.
    • Insert - 3D embedded part: In the project schedule the position numbers of the embedded part profiles which are integrated in Flex-Parts are now also offered for selection.
    • Edit Flex-Part: Position corrections of embedded part profiles now possible
    • Correct positioning when inserting into a Flex-Part and thus listing in the embedded parts schedule on drawing

Embedded parts
  • Embedded part profile: Correct output of item numbers, also with sub-items, and different data in the tooltip
  • Embedded part list
    • Drawing schedule now also includes the option "Model references" for embedded part profiles.
    • Assembly schedule: Correct output of the schedule when printing the drawing

  • DWG export: Incorrect color hatching is now ignored during export.
  • CPI XML: 3D reinforcement is written to the CPIXML file again.
  • XML schedule on the drawing: The decimal places now match the default from the XML template.


Revised themes for Patch 4

  • Drawing administration: 3D preview is displayed correctly.
  • Print: 3D PDF files are generated correctly again.
  • 3D reinforcement: Lengths of bars with zero legs are correctly output on the SIA cover sheet.
  • DWG import: Correct import of files with multiple layouts.
  • DWG export: Dimensions are output with the correct position.
  • DWG export: Drawing is no longer output moved.
  • Unitization: When printing and publishing element drawings, the correct element schedules are output.
  • Publish Flex-Part Unitechnik: The maximum dimensions are output correctly.
  • 3D views: The replacement representation of a embedded part in a embedded part is displayed correctly again.
  • 3D views: The center of gravity in a view is again only displayed by the visible objects.
  • Rebar: Extension lines of layings are extended again on the correct side.
  • Meshes: For mesh representations of counted mesh main views, the number is calculated correctly again during a text correction if Original Text is selected.
  • Cube reinforcement: The cube reinforcement, which is contained in embedded parts, is displayed in the views again.
  • 3D views: The names of the labeling templates are shortened if they are more than 15 characters long. The function supplement is then displayed in full.
  • Empty drawings no longer contain an automatic world coordinate system.
  • With the function "Save as" and selecting the same file name, the existing GUIDs are retained.
  • Bridge construction: Bug fixes and extensions
  • Cube: In the origin of the project coordinate system, the z coordinate is now also taken into account when importing DGM files, for example.
  • Interfaces: Embedded parts profiles are transferred to the CPIXML file.
  • Meshes: Correct specification of the number in the mesh reprensentation.
  • Meshes: A manually entered number in the mesh reprensentation is no longer overwritten by the number in the count view and main view.
  • Import / Export: Hatching is correctly imported again during DWG import, so that re-exporting as a DWG file works.


Revised themes for Patch 3

  • The correct Flex-Part is used again in the shop drawing from the library.
  • CPI XML: Data of the 3D embedded parts are simply written to the file and the properties are also transferred.
  • 3D embedded parts: When moving an insert as a displacement object, the area is calculated correctly.
  • For plans with rotation angle the reinforcement lists are printed correctly again.
  • Labels of wall openings keep their position after updating the view. Note: The position must be corrected again.
  • Cube: Embedded part profiles can also be inserted externally into the project.
  • Flex-Parts are displayed in 3D views again.
  • Cube: Intersections between lines/arcs can be captured again.
  • The billable embedded parts list is printed again in PDF files.
  • Meshes: With Modify section > Global the correct dialog opens again.
  • Meshes: The number for counted mesh representation is saved correctly again.
  • Meshes: Correct writing of the individual mesh for the global cutout correction.
  • Embedded part profiles: All user-defined text variables are transferred into the description text of the embedded part list.
  • Embedded parts: A permanent position comparison for variables with other units than the standard unit "cm" has been eliminated.
  • Item drawing: Correct display of the clamping direction arrow when correcting the position number or symbol.
  • Cube: The building structure is adopted when importing IFC references.
  • 3D embedded parts: The position number of a 3D embedded part is correctly adopted when installing it into a Flex-Part.
  • Rebars: Crash when creating a bar representation for certain iron shapes removed.
  • Incorrect display in 3D views fixed.
  • Interfaces: Take over drawing texts are expanded correctly.
  • Cube: Reinforcement connected to hidden 3D view edges is displayed correctly in the Cube again.
  • Meshes: If the pen for the dimension text is changed to NPLO, the entire count view is displayed in NPLO.


Revised themes for Patch 2

  • Object loss when importing models from STRAKON 2019 to STRAKON 2020 fixed.
  • Error message "Unhandled exception ..." when double clicking on various objects removed.
  • Boolean operations no longer leads to defective objects.

3D embedded parts
  • Opening the view setting of a embedded part profile no longer creates an SMD file.

  • PPC: The PPC data during saving will be recreated even if bar representations of rebars are missing.

  • You can reinstall external files.

  • Rebar: Total weight in reinforcement schedule and output to Office are the same again.
  • Project steel totals: Cube reinforcement is now considered, even if no 3D reinforcement is available.

Drawing data
  • The value for "piece" is correctly transferred to the shop drawing again. For this purpose, please save all plans of the model references once, so that these are generated again, as well as all plans in which the model references are loaded.

New in Patch 2

  • New option "Smooth edges" for terrain models in the object data


Revised themes for Patch 1

3D views of flex component with built-in components
  • The position of the built-in parts in the 3D view is displayed correctly again after the Flex part has been moved in the Cube and the 3D view has been updated.
  • The position of built-in parts from a model reference is displayed correctly after opening the plan in STRAKON 2020.
  • Built-in parts including labeling are displayed in the 3D view again.