There is a deadline to make! I may be in a residency full time during the day and teaching most evenings but that leaves a few weary hours at night to complete the task. I want this, and there is no chance that I will fail once I put my mind to something. So for a few days I worked without sleep into the wee hours to get it done for the very short timeline.
Here is the mock up in reverse colours that I used to plan out the piece on much grander scale.
I used a level and this long stick to maintain accuracy in the horizontal axis and vertical axis.