Brick Labs

You can often find building instructions on the internet, ranging from the good to the great, to the horrid.  And building tips are fairly plentiful to.  Tips on how to build sturdy structures, how to make a sphere from square blocks, how to reinforce your Technic creation, etc.

TechnicBRICKs happens to have some tips on things NOT to do.  These are some simple structures that if you build… you probably will never get the pieces apart again.  Unless you use a knife, or possibly break the pieces.

Here is one example:

Don’t Do:

Instead, Do:

Notice the change?  It uses an axel with half-bushings, instead of a long black friction pin.  This lets you push the axel out.

There are several more at the TechnicBRICKs “Don’t Do This At Home” article.

UPDATE: Thanks to Bazmati (link is to his YouTube profile), I’ve updated the picture showing one of the “Don’t Do” pictures, plus the original “Do” pictures.