# Assembling a Lego Rocket Using 3D CAD Software

**Assembling a Lego Rocket Using 3D CAD Software**

Lego building has always been a fun way to bring creative ideas to life. With digital tools like SelfCAD, that same experience can happen on a screen instead of a tabletop. In this project, I used SelfCAD to assemble a Lego rocket using parts that were already designed. The goal was to piece everything together into a complete rocket model, just like you would with real Lego bricks, only this time in a [3D modeling](https://www.selfcad.com/) environment. It’s a simple but satisfying process that shows how digital tools can make building just as enjoyable as the physical version.

To access the interactive tutorial to this article, check out [https://www.selfcad.com/tutorials/5lc2s323h01r5u1f1y2s2i643d536u6614m5](https://www.selfcad.com/tutorials/5lc2s323h01r5u1f1y2s2i643d536u6614m5)

  

Once you’ve launched the editor;

From the file menu on the top toolbar click import; Click load object from tutorial button to add object

![](https://lh7-rt.googleusercontent.com/docsz/AD_4nXdQlR6wbLJSRQo2xDpPGI7ed4V1wz2pxb7BmhZkxeSgiLl2eR16XPBvXvvna4fgiQXDX5KhqqwPTEgJJ18tjrGgDNPBfoDoEcDmii3gi9ocER3geMZ1jfR5MAlFCJcSGn8y0kg7?key=kFv4uUl_NdBDcAj7Ck4-TA align="left")

  
  

Click on mesh 234, 234(1), union 1 to deselect; Click rotate on the toolbar; Set z to -90

![](https://lh7-rt.googleusercontent.com/docsz/AD_4nXdmaSUDDkBPsa678BoCu_Y0efKh3-lk03aCnWtHVSH49ZaqdRiVWpTPrxa_rQPJGqqpOFFvqfmWZuTQ49DsnE-D_TMIYF_iZ84SS9hn9wABlk3fTDBcFkNAG-ePT_kH7UBATvk?key=kFv4uUl_NdBDcAj7Ck4-TA align="left")

  

Click move on the toolbar; Set z to -1, x to 0

![](https://lh7-rt.googleusercontent.com/docsz/AD_4nXdzB9VRet6uOxhFkRY7PL2syBONaiT6dBjJw-hKm0bik1wndQlQ42upyv3NDzyS3Y6CNvjfbzJtjgWcOjr9W1qAKaDx-EhHNuutKrtsp2T6nkrHIx-gU9QJYuBWmhacpxcbPFT0?key=kFv4uUl_NdBDcAj7Ck4-TA align="left")

  

Click on mesh 234(3) to select

Click rotate on the toolbar; Click on mesh 165 to deselect, Set z to -270

![](https://lh7-rt.googleusercontent.com/docsz/AD_4nXcEilBSH0vJ6Y-nRUZC5J4zR9I4_c_bLgq9VsfrPK4lSW0Juez8hoQ5Ts2LT5pIvZ0HeEsp9jsqSD4SOJaIjpUbyY2wGIkxPjXXpso-mtNQzUvoXy5_m0GIbUFNO1ZkbWXTs8oM?key=kFv4uUl_NdBDcAj7Ck4-TA align="left")

  

Click move on the toolbar; Click center object button to center object, Set x to 0, y to 387, z to 0

![](https://lh7-rt.googleusercontent.com/docsz/AD_4nXduU-ZODfBYhd3FWbN2EOMGi4pi-NJ630FebrR7nC6oGl4_H_tf0oSUARmQLthCNl0_CIN577cRGWtujRxgQY7YKlfEvO7Vr8TIK_6Qw533dWw1b7nJMFmE5dlcwdc4jEH9UqI?key=kFv4uUl_NdBDcAj7Ck4-TA align="left")

  

Click on mesh 234(3) to select, Click on mesh 234(3) to deselect

Click rotate on the toolbar; Set z to 270

![](https://lh7-rt.googleusercontent.com/docsz/AD_4nXeVEy8PtwxSFyAFIYiiT_INs1M_D_Gv_QxBCP9Wq8a8oonm1l7UAFe7MiKVsEqf6jTOI4AYXPrGiTtOmKMjYsGnFQFyVtPfkC6q3wuHfqh6j5Ci7PeNjJyqqJxxPWkWExSDXyo?key=kFv4uUl_NdBDcAj7Ck4-TA align="left")

  

Click move on the toolbar; Click center object button to center object, Set x to 0, y to 305, z to 0

![](https://lh7-rt.googleusercontent.com/docsz/AD_4nXcOWWqyv2KRz8juTmrlWfgDdQaDpWTaoLSZyqlpxZ2xfbceXFlatXEMQlE63JjqimXjaNAZuEVmb1z_Mfw8TbfKfo9zKHpWwbCQG-l8TTFB6FVehK4unVDuM-538L5zSgWnsKIv?key=kFv4uUl_NdBDcAj7Ck4-TA align="left")

  

Click on mesh 234(3) to select, Click on mesh 234(3) to deselect

Click center object button to center object, Set x to 0, y to 264, z to 0 using highlighted gizmo

![](https://lh7-rt.googleusercontent.com/docsz/AD_4nXeBwTeY8dBSv1vX57f9-qdsvugPzMOfPdwVV_qJrYh4za6_phGXy6wzpAXs0A-cpo6B9v9VzlfxY0Nbt5i0RzFUkcWTICAuxjOQSNseD1C4nStGn5QEKo_ZirtP2ykqz3twarfY?key=kFv4uUl_NdBDcAj7Ck4-TA align="left")

  

Click on union 1 to select it, Click on mesh 234 to deselect

Click rotate on the toolbar; Set y to 270, x to -270

![](https://lh7-rt.googleusercontent.com/docsz/AD_4nXcVCCNPXkscqn-GAZnuVlCA8va172een_UVWBFRKHDirA5MZE7XeHUNjVMp_yuIIHowqE2MzG5FyAYQ7436iLaLCNDBGf_c7-dZDir6B-AkPz8fvfgwaKAz5pvo1yhE4rEUFa4s?key=kFv4uUl_NdBDcAj7Ck4-TA align="left")

  

Click move on the toolbar; Click center object button to center object, Set x to 0, y to 123, z to 0

  

![](https://lh7-rt.googleusercontent.com/docsz/AD_4nXdPRRbQO0a-RTUzfBC3Rj1uXtCAPC20jhTFQ8-EpkOV0PZvKC1eHtLYIzwhjrndzc0y0DlSBr3H50N3j_e1hS65BkKaFzVUEEtLJAFpoqTQvtom8_8oXowZ-NJK2Cl79GSQmdw?key=kFv4uUl_NdBDcAj7Ck4-TA align="left")

Click ‘x’ to close transformation panel

  

As you continue honing your design skills, remember that SelfCAD offers a wealth of resources to support your learning journey. To deepen your understanding and explore more advanced features, consider checking out the interactive tutorials ([https://www.selfcad.com/tutorials](https://www.selfcad.com/tutorials)) available on the SelfCAD website. The tutorials page provides a treasure trove of guides, tips, and tricks that cater to designers of all levels.

More structured learning experience can also be accessed at the SelfCAD Academy ([https://www.selfcad.com/academy/curriculum/](https://www.selfcad.com/academy/curriculum/)), [https://www.youtube.com/@3dmodeling101](https://www.youtube.com/@3dmodeling101), and 3D Modeling 101 series ([https://www.youtube.com/playlist?list=PL74nFNT8yS9DcE1UlUUdiR1wFGv9DDfTB](https://www.youtube.com/playlist?list=PL74nFNT8yS9DcE1UlUUdiR1wFGv9DDfTB)). This comprehensive resource offers in-depth courses taught by industry experts, allowing you to master the intricacies of SelfCAD at your own pace.