This skill is not absolutely required, but it will make everything else a lot easier. The main skill being trained in meditation is the resilience to go back to the object of focus when you realize you got distracted. Distractions will happen. Meditation helps you learn to not let them affect you.
To be clear, you DO NOT NEED TO HAVE OR USE ANY MEDITATION SKILLS TO CREATE OR INTERACT WITH A TULPA. It HELPS to do this, but it is not ESSENTIAL to do this.
If you feel that your existing practices (even if this is no meditation practice) are sufficient, please feel free to skip this chapter entirely.