The film appears initially to be a documentary focusing on Dutch glassblowing techniques, which it demonstrates in an appealing way accompanied by a mellow jazz score. However, it develops into something considerably deeper over time. Returning to the blowing itself, observing the process is genuinely captivating – witnessing the skillful and precise artistry involved. The resulting geometrical forms emerge from what begins as molten sand, sometimes resembling balloons, moving repeatedly between intensely hot ovens. What emerges later proves almost as compelling as the glassblowing process itself, particularly as it becomes more automated. While detailed designs diminish, the basic bottle production is interesting to observe, until a conveyor belt malfunctions and there's a short, amusing moment. Perhaps the takeaway is that automation seems inevitable; although handmade items may be slower and cost more, their quality remains superior when done correctly.

Source on TMDB