This is the basic requirement of the wooden door frame:
The requirement is to make sure that the door frame does not skew or deform.
Questions:
- What's the minimum number of wooden pieces to be added inside the frame, so that the frame of the door remains solid, and doesn't deform?
- What's the principled approach to handle this? Because currently I mostly use eyeballing and intuitive thinking.
1. My guesses so far
1.1. Extend from corners at 45 degrees
1.2. Extend from corners to opposite, regardless of degree
2. Surprises
I'm a bit surprised about how others do their frames, without angular pieces. For example, checkout this:
No angular pieces at all. What's wrong? Am I missing something? Or are the engineers missing something?