#  Trim 

 



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  expand\_more  

 
  

 

In this page, we trim the sketch using the **Trim Entities** operator based on last step. The result will be used for extrusion later.

As shown below, we have drawn the sketch of the whole honeycomb structure.

 ![trim3](/sites/g/files/omnuum4601/files/2024-11/trim3.png)

 

First, select redundant lines and delete them by clicking **delete** button on the keyboard. We need mention that the two lines on the upper and lower boundaries cannot be directly handled in this way.

 ![trim2](/sites/g/files/omnuum4601/files/2024-11/trim2.png)

 

So we use **Trim Entities** operator to cut the extended area on the two lines at boundary.

 ![trim1](/sites/g/files/omnuum4601/files/2024-11/trim1.png)

 

Then, we also use **Trim Entities** operator in order to cut the redundant lines at the inner grooves, which can be observed in a magnified view.

 ![trim4](/sites/g/files/omnuum4601/files/2024-11/trim4.png)

 

 ![trim6](/sites/g/files/omnuum4601/files/2024-11/trim6.png)

 

 ![trim5](/sites/g/files/omnuum4601/files/2024-11/trim5.png)

 

At last, we use **Fillet** operator and smooth the structure's two edges as seen below.

 ![fillet](/sites/g/files/omnuum4601/files/2024-11/fillet.png)

 

### Bibliography

Jiang et al. (2016) [Design and Simulation Analysis of a Soft Elastomer Manipulator based on Honeycomb Pneumatic Networks.](/publications/design-and-simulation-analysis-soft-manipulator-based-honeycomb-pneumatic)

Sun et al. (2016) [FLEXIBLE HONEYCOMB PNEUNETS ROBOTS.](/publications/flexible-honeycomb-pneunets-robot)

Jiang et al. (2017) [A Two-Level Approach for Solving the Inverse Kinematics of an Extensible Soft Arm Considering Viscoelastic Behavior.](/publications/two-level-approach-solving-inverse-kinematics-extensible-soft-arm)

Jiang et al. (2016) [Design and Simulation Analysis of a Soft Manipulator Based on Honeycomb Pneumatic Networks.](/publications/design-and-simulation-analysis-soft-manipulator-based-honeycomb-pneumatic)

Giri et al. (2010) [Continuum robots and underactuated grasping](https://softroboticstoolkit.com/publications/continuum-robots-and-underactuated-grasping)

Grissom, et al. (2006) [Design and experimental testing of the OctArm soft robot manipulator](/publications/design-and-experimental-testing-octarm-soft-robot-manipulator).

### Contributors

Hao Jiang

Zhanchi Wang

Xinghua Liu

Xiaotong Chen

Yusong Jin

Hao Sun

Xiaoping Chen