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How to edit the dimension of instance that is the merge of two instances?

How to edit the dimension of instance that is the merge of two instances?

How to edit the dimension of instance that is the merge of two instances?

(OP)
Hello All,
I'm working on optimizing the performance of a soft pneumatic actuator. So I need to be able to change the dimensions of the actuator.
The actuator is formed by merging an instance of the part "tube" and 2 instances of the part "Cap" and thus forming the "Merged_Actuator".
How can I edit the dimensions (Inner radius, Outer Radius, Length..) of that merged actuator?

TUBE


CAP


Merged Actuator

RE: How to edit the dimension of instance that is the merge of two instances?

You can’t edit merged part but if you leave default option to suppress original instances then you will be able to merge modified instances again. Otherwise consider using tie constraint instead of merging instances. Or model this as a single part.

RE: How to edit the dimension of instance that is the merge of two instances?

(OP)
Is there a way to draw the last part (Merged Actuator) directly without using the merge feature?

RE: How to edit the dimension of instance that is the merge of two instances?

From what I can see the caps are simply attached to the ends of the tube. Thus you can draw the tube first and then extrude the caps (Create Solid: Extrude) selecting ends of the tube as planes for extrusions.

RE: How to edit the dimension of instance that is the merge of two instances?

(OP)
Thank you very much, sir.

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