# WEEK 2

<figure><img src="https://2652395013-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcdJqjAtMk1aQfBgP7sLY%2Fuploads%2FsfcdABLzKH69EItNvIRO%2Ftest1.png?alt=media&#x26;token=f6472edd-f465-47dc-813b-9795aef10554" alt=""><figcaption><p>first demo of my module</p></figcaption></figure>

Then print it, I find that beacause the circle is too big and the hole can't fix it to connect two module, so that I try to reduce the diameter of the circle.

<figure><img src="https://2652395013-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcdJqjAtMk1aQfBgP7sLY%2Fuploads%2FXM7VLHPvGE62BOB1uN3M%2FIMG_3652.jpg?alt=media&#x26;token=6acc2934-61c2-465e-9dee-8ab35a7df0ad" alt=""><figcaption></figcaption></figure>
