Category Archives: Tekla Modelling Tips

This is a blog to give tips and tricks to Tekla users. We will bring you the best and the latest in Tekla and structural steel detailing

Stair Outline Routine – AutoCAD Plugin – Code Attached

An example of the type of stairs we draw. We do a lot of stairs. Both AS 1428 and AS 1657 compliant stairs.
An example of the type of stairs we draw. We do a lot of stairs. Both AS 1428 and AS 1657 compliant stairs.


We continue delving into our discussion of stairs. The boss hates it when I do things like this – releasing code to the public. But it’s too good not to share. Below is a routine you might find useful. We use it to model stairs – it’s super fast, and efficient. It allows us to try different things out and to discard what doesn’t work with ease. I’ve gone to the effort of drawing up an entire flight of stairs and then realised that I’m missing a tread. Then I’d have to redo the whole thing from the beginning. Once you have this outline done, the a good chunk of the work is finished.


One of our many, many versatile routines:


Here is a gif of the project:

A Stair AutoCAD Plugin
A plugin I wrote for AutoCAD. Written using c#.


And here is the code for the benefit of study.


I suppose I should refactor it, but I don’t think I’ll be changing it any time soon. So why worry?

Handrails Checklist for AS1428 Stairs

We do a lot of work on handrails – both public access (AS 1428) and also private access (AS 1657).


Anybody can draw a staircase – and if you’ve ever fallen down some stairs, or if you’ve ever walked up some stairs which do not comply to any standards – then you’ll immediately realise the importance of having stairs that actually comply. It’s paramount for safety.


But it’s not infrequent that we see stair designs which do not comply. Who draws them up? Architects! There are architects out there who don’t know what they’re doing – let me tell you – and they’re extremely costly to the industry and a safety hazard. We’re the last line of defence. If a staircase is fabricator that does not comply – it’s not the architect who feels the financial pain: it’s the fabricator, the builder and the shop drawer. So it’s critical that you get the design right.


We’ve invested a lot in training staff to ensure they follow the standards. And for the benefit of the industry, here is a cliff notes sample that our guys use to remind them of the basic requirements needed for public access stair handrails.

Shows handrail rules for stairs.
Shows handrail rules for stairs.


Please see the attached pdf and a drawing below.

Handrails on Stairs – AS 1428 General Rules

I hope you find it of use!



How to markup Tekla BIMSight Model and send to client

Please watch this video on how to markup the Tekla BIMSight Model. It describes the 4 essential steps required to effectively markup a s bim sight model

Most important is make your comment public, else when you send the BIMSight model, no one will be able to see your comments. Users can mark up the same model and return to you with their own comments.


Watch the video below on how to send your marked up BIMSight Model to your clients.

Designing Bent Members

Designing Bent Members

Consider the below member: notice how it has two bends in it.


Design of a bent steel member.
Design of a bent steel member.



When designing such a member the detailer needs to be aware of how these members are made.

Check out this video for a beautiful explanation:

That is just how handrails are produced. The steel members are bent around a radius set on a machine. If the design is too complex, then detailers need to be aware that fabricators may resort to welding two pieces of metal together to make it work.


Selections: Pick and Drag Selections

Pick Selection and Drag Selection:

Here is the video:

Welcome to Tekla training.

In this video we are going to learn how to make selections.

Pick Selection:

Single objects can be selected by holding down the mouse key.

Multiple objects can be picked by holding down the Ctrl or Shift key. if one object has to be deselected from the selected use Ctrl+ mouse key to deselect.

Drag Selection:

To select multiple object with a single drag of the mouse. Hold down the mouse key and drag

Right to Left: Objects that are fully or partly inside the drag window will be selected.


Left to Right: Objects that are fully inside the drag window will only be selected.

A new blog series on how to use Tekla

We’ve got some of the best Tekla technicians in our house, and given we’ve been so busy it’s been very hard to get a moment to educate the general public on Tekla.

This blog series attempts to remedy that: we start from the very beginning and will post all manner of educational information to allow for a pure beginner to eventually master Tekla.

And best of all: the information is free!

I hope you gain something out of it. And let us know if you want to know anything in particular.


– Tek1 Team

How to open a Tekla Model

Open a Tekla model                       

To open a tekla structure model multiple options are available as:

1. File> Open

2. Keyboard user input Ctrl+O. (Default tekla command)

3.Using the open icon shown as a folder image

How to open a Tekla model
How to open a Tekla model

Either of the methods can be used to open a tekla structure model , but before moving to the open dialogue display the existing model has to be “save’ or ‘don’t save’ dialogue will be displayed  to confirm the existing model  actions (Since only one model can be worked on in tekla). Once the selection is made we can move to the open model dialogue to proceed to the next model.