Hi all,

someone has hints to build something like:

• https://www.youtube.com/watch?v😮1kZ1HR0AtE
• https://www.youtube.com/watch?v=FpNtmsb5LPY

?

When I build something how can I be sure that all is well positioned? Only by my eyes? I speak about this for example:

<a href="https://ibb.co/BP9xZQm"><img src="https://i.ibb.co/vBSGPTb/Screenshot-2020-10-19-at-10-12-21.png" alt="Screenshot-2020-10-19-at-10-12-21" border="0"></a>

https://ibb.co/BP9xZQm

Thank you