#  Step 2: Prepare Silicone Tubes 

 



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Silicone tubes inside

 ![cut_tube_1](/sites/g/files/omnuum4601/files/2025-05/cut_tube_1_0.png)

 

Firstly, get 8 silicone tubes, 4.5 mm each: directly cut off those bits at the length of 4.5 mm,

 ![cut_tube_2](/sites/g/files/omnuum4601/files/2025-05/cut_tube_2_0.png)

 

Similarly, prepare 7 tubes of 9.5 mm in the same way.

 ![cut_tube_3](/sites/g/files/omnuum4601/files/2025-05/cut_tube_3_0.png)

 

 ![cut_tube_4](/sites/g/files/omnuum4601/files/2025-05/cut_tube_4_0.png)