Simulink custom (non rectangular) Block Shapes

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Hey everyone,
we want to make our simulink models more visually appealing and useful for presentations. Hence I want to give blocks certain shapes. Like have a subsystem being triangular (alike the gain block) to visualize its functionalities.
How do I adjust the shape of a simulink subsystem block? As there are various blocks deviating from the rectangular standard, it musst be possible. But, much to my supprise i could not find any material on it using google.
Any help is appreciated. Many thanks in advance.
  1 Comment
sschumm on 8 Nov 2023
it is possible to create any shape by using the "Icon drawing commands" of the Mask Editor.
A triangular shape can be achieved by the commands shown below:

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Accepted Answer

Jonas on 24 Aug 2021
Edited: Jonas on 24 Aug 2021
I do not think it is possible to give subsystems an other shape than rectangular. It could conflict with the positioning of the in- and output ports.
What you can do, is use a mask image on a subsystem. Right click on a subsystem, and go to 'Mask' and then 'Add icon image...'. This way you can add your own symbols and images on the subsystem block.
Florian Rössing
Florian Rössing on 24 Aug 2021
How do I use those Icon drawing comands? This sound helpful
Fangjun Jiang
Fangjun Jiang on 24 Aug 2021
Click "Help" button on "Icon and Ports" tab.

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More Answers (1)

Florian Rössing
Florian Rössing on 24 Aug 2021
All models are beautiful, useful and valuable regardless of origin shape or color, I demand freedom of choice! ;)
Jonas on 24 Aug 2021
Yes, that's why models with grey rectangular blocks are beautiful, useful and valuable as well :-)
Florian Rössing
Florian Rössing on 24 Aug 2021
Doesnt explain why I am limited to them ;) Regardless, I am for now working with your image approach until someone finds another way. Or the Matlab staff tells me it is not possible (and why so)

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